221807976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 256

約数和(自身を含む): 696729600

約数和(自身を除く): 474921624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 19, 24, 26, 31, 34, 38, 39, 51, 52, 57, 62, 68, 71, 76, 78, 93, 102, 104, 114, 124, 136, 142, 152, 156, 186, 204, 213, 221, 228, 247, 248, 284, 312, 323, 372, 403, 408, 426, 442, 456, 494, 527, 568, 589, 646, 663, 741, 744, 806, 852, 884, 923, 969, 988, 1054, 1178, 1207, 1209, 1292, 1326, 1349, 1482, 1581, 1612, 1704, 1767, 1768, 1846, 1938, 1976, 2108, 2201, 2356, 2414, 2418, 2584, 2652, 2698, 2769, 2964, 3162, 3224, 3534, 3621, 3692, 3876, 4047, 4199, 4216, 4402, 4712, 4828, 4836, 5304, 5396, 5538, 5928, 6324, 6603, 6851, 7068, 7242, 7384, 7657, 7752, 8094, 8398, 8804, 9656, 9672, 10013, 10792, 11076, 12597, 12648, 13206, 13702, 14136, 14484, 15314, 15691, 16188, 16796, 17537, 17608, 20026, 20553, 22152, 22933, 22971, 25194, 26412, 27404, 28613, 28968, 30039, 30628, 31382, 32376, 33592, 35074, 37417, 40052, 41106, 41819, 45866, 45942, 47073, 50388, 52611, 52824, 54808, 57226, 60078, 61256, 62764, 68799, 70148, 74834, 80104, 82212, 83638, 85839, 91732, 91884, 94146, 100776, 105222, 112251, 114452, 120156, 125457, 125528, 130169, 137598, 140296, 149668, 164424, 167276, 171678, 183464, 183768, 188292, 210444, 224502, 228904, 240312, 250914, 260338, 275196, 298129, 299336, 334552, 343356, 376584, 390507, 420888, 449004, 486421, 501828, 520676, 543647, 550392, 596258, 686712, 710923, 781014, 894387, 898008, 972842, 1003656, 1041352, 1087294, 1192516, 1421846, 1459263, 1562028, 1630941, 1788774, 1945684, 2132769, 2174588, 2385032, 2843692, 2918526, 3124056, 3261882, 3577548, 3891368, 4265538, 4349176, 5687384, 5837052, 6523764, 7155096, 8531076, 9241999, 11674104, 13047528, 17062152, 18483998, 27725997, 36967996, 55451994, 73935992, 110903988, 221807976]

約数ペア:

[(1, 221807976), (2, 110903988), (3, 73935992), (4, 55451994), (6, 36967996), (8, 27725997), (12, 18483998), (13, 17062152), (17, 13047528), (19, 11674104), (24, 9241999), (26, 8531076), (31, 7155096), (34, 6523764), (38, 5837052), (39, 5687384), (51, 4349176), (52, 4265538), (57, 3891368), (62, 3577548), (68, 3261882), (71, 3124056), (76, 2918526), (78, 2843692), (93, 2385032), (102, 2174588), (104, 2132769), (114, 1945684), (124, 1788774), (136, 1630941), (142, 1562028), (152, 1459263), (156, 1421846), (186, 1192516), (204, 1087294), (213, 1041352), (221, 1003656), (228, 972842), (247, 898008), (248, 894387), (284, 781014), (312, 710923), (323, 686712), (372, 596258), (403, 550392), (408, 543647), (426, 520676), (442, 501828), (456, 486421), (494, 449004), (527, 420888), (568, 390507), (589, 376584), (646, 343356), (663, 334552), (741, 299336), (744, 298129), (806, 275196), (852, 260338), (884, 250914), (923, 240312), (969, 228904), (988, 224502), (1054, 210444), (1178, 188292), (1207, 183768), (1209, 183464), (1292, 171678), (1326, 167276), (1349, 164424), (1482, 149668), (1581, 140296), (1612, 137598), (1704, 130169), (1767, 125528), (1768, 125457), (1846, 120156), (1938, 114452), (1976, 112251), (2108, 105222), (2201, 100776), (2356, 94146), (2414, 91884), (2418, 91732), (2584, 85839), (2652, 83638), (2698, 82212), (2769, 80104), (2964, 74834), (3162, 70148), (3224, 68799), (3534, 62764), (3621, 61256), (3692, 60078), (3876, 57226), (4047, 54808), (4199, 52824), (4216, 52611), (4402, 50388), (4712, 47073), (4828, 45942), (4836, 45866), (5304, 41819), (5396, 41106), (5538, 40052), (5928, 37417), (6324, 35074), (6603, 33592), (6851, 32376), (7068, 31382), (7242, 30628), (7384, 30039), (7657, 28968), (7752, 28613), (8094, 27404), (8398, 26412), (8804, 25194), (9656, 22971), (9672, 22933), (10013, 22152), (10792, 20553), (11076, 20026), (12597, 17608), (12648, 17537), (13206, 16796), (13702, 16188), (14136, 15691), (14484, 15314)]