100531280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^2$

素因数の和:169

約数の個数: 90

約数和(自身を含む): 250936506

約数和(自身を除く): 150405226

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 361, 380, 472, 590, 722, 760, 944, 1121, 1180, 1444, 1520, 1805, 2242, 2360, 2888, 3481, 3610, 4484, 4720, 5605, 5776, 6962, 7220, 8968, 11210, 13924, 14440, 17405, 17936, 21299, 22420, 27848, 28880, 34810, 42598, 44840, 55696, 66139, 69620, 85196, 89680, 106495, 132278, 139240, 170392, 212990, 264556, 278480, 330695, 340784, 425980, 529112, 661390, 851960, 1058224, 1256641, 1322780, 1703920, 2513282, 2645560, 5026564, 5291120, 6283205, 10053128, 12566410, 20106256, 25132820, 50265640, 100531280]

約数ペア:

[(1, 100531280), (2, 50265640), (4, 25132820), (5, 20106256), (8, 12566410), (10, 10053128), (16, 6283205), (19, 5291120), (20, 5026564), (38, 2645560), (40, 2513282), (59, 1703920), (76, 1322780), (80, 1256641), (95, 1058224), (118, 851960), (152, 661390), (190, 529112), (236, 425980), (295, 340784), (304, 330695), (361, 278480), (380, 264556), (472, 212990), (590, 170392), (722, 139240), (760, 132278), (944, 106495), (1121, 89680), (1180, 85196), (1444, 69620), (1520, 66139), (1805, 55696), (2242, 44840), (2360, 42598), (2888, 34810), (3481, 28880), (3610, 27848), (4484, 22420), (4720, 21299), (5605, 17936), (5776, 17405), (6962, 14440), (7220, 13924), (8968, 11210)]