71247800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 181498800

約数和(自身を除く): 110251000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 67, 100, 104, 130, 134, 200, 260, 268, 325, 335, 409, 520, 536, 650, 670, 818, 871, 1300, 1340, 1636, 1675, 1742, 2045, 2600, 2680, 3272, 3350, 3484, 4090, 4355, 5317, 6700, 6968, 8180, 8710, 10225, 10634, 13400, 16360, 17420, 20450, 21268, 21775, 26585, 27403, 34840, 40900, 42536, 43550, 53170, 54806, 81800, 87100, 106340, 109612, 132925, 137015, 174200, 212680, 219224, 265850, 274030, 356239, 531700, 548060, 685075, 712478, 1063400, 1096120, 1370150, 1424956, 1781195, 2740300, 2849912, 3562390, 5480600, 7124780, 8905975, 14249560, 17811950, 35623900, 71247800]

約数ペア:

[(1, 71247800), (2, 35623900), (4, 17811950), (5, 14249560), (8, 8905975), (10, 7124780), (13, 5480600), (20, 3562390), (25, 2849912), (26, 2740300), (40, 1781195), (50, 1424956), (52, 1370150), (65, 1096120), (67, 1063400), (100, 712478), (104, 685075), (130, 548060), (134, 531700), (200, 356239), (260, 274030), (268, 265850), (325, 219224), (335, 212680), (409, 174200), (520, 137015), (536, 132925), (650, 109612), (670, 106340), (818, 87100), (871, 81800), (1300, 54806), (1340, 53170), (1636, 43550), (1675, 42536), (1742, 40900), (2045, 34840), (2600, 27403), (2680, 26585), (3272, 21775), (3350, 21268), (3484, 20450), (4090, 17420), (4355, 16360), (5317, 13400), (6700, 10634), (6968, 10225), (8180, 8710)]