331327100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{907}}^1$

素因数の和:1215

約数の個数: 72

約数和(自身を含む): 777898128

約数和(自身を除く): 446571028

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 281, 325, 562, 650, 907, 1124, 1300, 1405, 1814, 2810, 3628, 3653, 4535, 5620, 7025, 7306, 9070, 11791, 14050, 14612, 18140, 18265, 22675, 23582, 28100, 36530, 45350, 47164, 58955, 73060, 90700, 91325, 117910, 182650, 235820, 254867, 294775, 365300, 509734, 589550, 1019468, 1179100, 1274335, 2548670, 3313271, 5097340, 6371675, 6626542, 12743350, 13253084, 16566355, 25486700, 33132710, 66265420, 82831775, 165663550, 331327100]

約数ペア:

[(1, 331327100), (2, 165663550), (4, 82831775), (5, 66265420), (10, 33132710), (13, 25486700), (20, 16566355), (25, 13253084), (26, 12743350), (50, 6626542), (52, 6371675), (65, 5097340), (100, 3313271), (130, 2548670), (260, 1274335), (281, 1179100), (325, 1019468), (562, 589550), (650, 509734), (907, 365300), (1124, 294775), (1300, 254867), (1405, 235820), (1814, 182650), (2810, 117910), (3628, 91325), (3653, 90700), (4535, 73060), (5620, 58955), (7025, 47164), (7306, 45350), (9070, 36530), (11791, 28100), (14050, 23582), (14612, 22675), (18140, 18265)]