1977894984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:348

約数の個数: 256

約数和(自身を含む): 5935104000

約数和(自身を除く): 3957209016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 31, 38, 39, 47, 52, 57, 62, 76, 78, 93, 94, 104, 114, 124, 141, 152, 156, 186, 188, 228, 229, 247, 248, 282, 312, 372, 376, 403, 456, 458, 494, 564, 589, 611, 687, 741, 744, 806, 893, 916, 988, 1128, 1178, 1209, 1222, 1374, 1457, 1482, 1612, 1767, 1786, 1832, 1833, 1976, 2356, 2418, 2444, 2679, 2748, 2914, 2964, 2977, 3224, 3534, 3572, 3666, 4351, 4371, 4712, 4836, 4888, 5358, 5496, 5828, 5928, 5954, 7068, 7099, 7144, 7332, 7657, 8702, 8742, 8931, 9672, 10716, 10763, 11609, 11656, 11908, 13053, 14136, 14198, 14664, 15314, 17404, 17484, 17862, 18941, 21297, 21432, 21526, 22971, 23218, 23816, 26106, 27683, 28396, 30628, 32289, 34808, 34827, 34968, 35724, 37882, 42594, 43052, 45942, 46436, 52212, 55366, 56563, 56792, 56823, 61256, 64578, 69654, 71448, 75764, 83049, 85188, 86104, 91884, 92287, 92872, 104424, 110732, 113126, 113646, 129156, 134881, 139308, 139919, 151528, 166098, 169689, 170376, 183768, 184574, 204497, 221464, 226252, 227292, 258312, 269762, 276861, 278616, 279838, 332196, 333653, 339378, 359879, 369148, 404643, 408994, 419757, 452504, 454584, 539524, 553722, 559676, 613491, 664392, 667306, 678756, 719758, 738296, 809286, 817988, 839514, 1000959, 1079048, 1079637, 1107444, 1119352, 1226982, 1334612, 1357512, 1439516, 1618572, 1635976, 1679028, 1753453, 2001918, 2159274, 2214888, 2453964, 2658461, 2669224, 2879032, 3237144, 3358056, 3506906, 4003836, 4318548, 4337489, 4907928, 5260359, 5316922, 6339407, 7013812, 7975383, 8007672, 8637096, 8674978, 10520718, 10633844, 12678814, 13012467, 14027624, 15950766, 17349956, 19018221, 21041436, 21267688, 25357628, 26024934, 31901532, 34699912, 38036442, 42082872, 50715256, 52049868, 63803064, 76072884, 82412291, 104099736, 152145768, 164824582, 247236873, 329649164, 494473746, 659298328, 988947492, 1977894984]

約数ペア:

[(1, 1977894984), (2, 988947492), (3, 659298328), (4, 494473746), (6, 329649164), (8, 247236873), (12, 164824582), (13, 152145768), (19, 104099736), (24, 82412291), (26, 76072884), (31, 63803064), (38, 52049868), (39, 50715256), (47, 42082872), (52, 38036442), (57, 34699912), (62, 31901532), (76, 26024934), (78, 25357628), (93, 21267688), (94, 21041436), (104, 19018221), (114, 17349956), (124, 15950766), (141, 14027624), (152, 13012467), (156, 12678814), (186, 10633844), (188, 10520718), (228, 8674978), (229, 8637096), (247, 8007672), (248, 7975383), (282, 7013812), (312, 6339407), (372, 5316922), (376, 5260359), (403, 4907928), (456, 4337489), (458, 4318548), (494, 4003836), (564, 3506906), (589, 3358056), (611, 3237144), (687, 2879032), (741, 2669224), (744, 2658461), (806, 2453964), (893, 2214888), (916, 2159274), (988, 2001918), (1128, 1753453), (1178, 1679028), (1209, 1635976), (1222, 1618572), (1374, 1439516), (1457, 1357512), (1482, 1334612), (1612, 1226982), (1767, 1119352), (1786, 1107444), (1832, 1079637), (1833, 1079048), (1976, 1000959), (2356, 839514), (2418, 817988), (2444, 809286), (2679, 738296), (2748, 719758), (2914, 678756), (2964, 667306), (2977, 664392), (3224, 613491), (3534, 559676), (3572, 553722), (3666, 539524), (4351, 454584), (4371, 452504), (4712, 419757), (4836, 408994), (4888, 404643), (5358, 369148), (5496, 359879), (5828, 339378), (5928, 333653), (5954, 332196), (7068, 279838), (7099, 278616), (7144, 276861), (7332, 269762), (7657, 258312), (8702, 227292), (8742, 226252), (8931, 221464), (9672, 204497), (10716, 184574), (10763, 183768), (11609, 170376), (11656, 169689), (11908, 166098), (13053, 151528), (14136, 139919), (14198, 139308), (14664, 134881), (15314, 129156), (17404, 113646), (17484, 113126), (17862, 110732), (18941, 104424), (21297, 92872), (21432, 92287), (21526, 91884), (22971, 86104), (23218, 85188), (23816, 83049), (26106, 75764), (27683, 71448), (28396, 69654), (30628, 64578), (32289, 61256), (34808, 56823), (34827, 56792), (34968, 56563), (35724, 55366), (37882, 52212), (42594, 46436), (43052, 45942)]