289955900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3329}}^1$

素因数の和:3423

約数の個数: 72

約数和(自身を含む): 687924720

約数和(自身を除く): 397968820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 67, 100, 130, 134, 260, 268, 325, 335, 650, 670, 871, 1300, 1340, 1675, 1742, 3329, 3350, 3484, 4355, 6658, 6700, 8710, 13316, 16645, 17420, 21775, 33290, 43277, 43550, 66580, 83225, 86554, 87100, 166450, 173108, 216385, 223043, 332900, 432770, 446086, 865540, 892172, 1081925, 1115215, 2163850, 2230430, 2899559, 4327700, 4460860, 5576075, 5799118, 11152150, 11598236, 14497795, 22304300, 28995590, 57991180, 72488975, 144977950, 289955900]

約数ペア:

[(1, 289955900), (2, 144977950), (4, 72488975), (5, 57991180), (10, 28995590), (13, 22304300), (20, 14497795), (25, 11598236), (26, 11152150), (50, 5799118), (52, 5576075), (65, 4460860), (67, 4327700), (100, 2899559), (130, 2230430), (134, 2163850), (260, 1115215), (268, 1081925), (325, 892172), (335, 865540), (650, 446086), (670, 432770), (871, 332900), (1300, 223043), (1340, 216385), (1675, 173108), (1742, 166450), (3329, 87100), (3350, 86554), (3484, 83225), (4355, 66580), (6658, 43550), (6700, 43277), (8710, 33290), (13316, 21775), (16645, 17420)]