198515940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:322

約数の個数: 192

約数和(自身を含む): 667484160

約数和(自身を除く): 468968220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 79, 84, 93, 105, 124, 140, 155, 158, 186, 193, 210, 217, 237, 310, 316, 372, 386, 395, 420, 434, 465, 474, 553, 579, 620, 651, 772, 790, 868, 930, 948, 965, 1085, 1106, 1158, 1185, 1302, 1351, 1580, 1659, 1860, 1930, 2170, 2212, 2316, 2370, 2449, 2604, 2702, 2765, 2895, 3255, 3318, 3860, 4053, 4340, 4740, 4898, 5404, 5530, 5790, 5983, 6510, 6636, 6755, 7347, 8106, 8295, 9796, 11060, 11580, 11966, 12245, 13020, 13510, 14694, 15247, 16212, 16590, 17143, 17949, 20265, 23932, 24490, 27020, 29388, 29915, 30494, 33180, 34286, 35898, 36735, 40530, 41881, 45741, 48980, 51429, 59830, 60988, 68572, 71796, 73470, 76235, 81060, 83762, 85715, 89745, 91482, 102858, 106729, 119660, 125643, 146940, 152470, 167524, 171430, 179490, 182964, 205716, 209405, 213458, 228705, 251286, 257145, 304940, 320187, 342860, 358980, 418810, 426916, 457410, 472657, 502572, 514290, 533645, 628215, 640374, 837620, 914820, 945314, 1028580, 1067290, 1256430, 1280748, 1417971, 1600935, 1890628, 2134580, 2363285, 2512860, 2835942, 3201870, 3308599, 4726570, 5671884, 6403740, 6617198, 7089855, 9453140, 9925797, 13234396, 14179710, 16542995, 19851594, 28359420, 33085990, 39703188, 49628985, 66171980, 99257970, 198515940]

約数ペア:

[(1, 198515940), (2, 99257970), (3, 66171980), (4, 49628985), (5, 39703188), (6, 33085990), (7, 28359420), (10, 19851594), (12, 16542995), (14, 14179710), (15, 13234396), (20, 9925797), (21, 9453140), (28, 7089855), (30, 6617198), (31, 6403740), (35, 5671884), (42, 4726570), (60, 3308599), (62, 3201870), (70, 2835942), (79, 2512860), (84, 2363285), (93, 2134580), (105, 1890628), (124, 1600935), (140, 1417971), (155, 1280748), (158, 1256430), (186, 1067290), (193, 1028580), (210, 945314), (217, 914820), (237, 837620), (310, 640374), (316, 628215), (372, 533645), (386, 514290), (395, 502572), (420, 472657), (434, 457410), (465, 426916), (474, 418810), (553, 358980), (579, 342860), (620, 320187), (651, 304940), (772, 257145), (790, 251286), (868, 228705), (930, 213458), (948, 209405), (965, 205716), (1085, 182964), (1106, 179490), (1158, 171430), (1185, 167524), (1302, 152470), (1351, 146940), (1580, 125643), (1659, 119660), (1860, 106729), (1930, 102858), (2170, 91482), (2212, 89745), (2316, 85715), (2370, 83762), (2449, 81060), (2604, 76235), (2702, 73470), (2765, 71796), (2895, 68572), (3255, 60988), (3318, 59830), (3860, 51429), (4053, 48980), (4340, 45741), (4740, 41881), (4898, 40530), (5404, 36735), (5530, 35898), (5790, 34286), (5983, 33180), (6510, 30494), (6636, 29915), (6755, 29388), (7347, 27020), (8106, 24490), (8295, 23932), (9796, 20265), (11060, 17949), (11580, 17143), (11966, 16590), (12245, 16212), (13020, 15247), (13510, 14694)]