172128100

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 389225088

約数和(自身を除く): 217096988

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 53, 94, 100, 106, 188, 212, 235, 265, 470, 530, 691, 940, 1060, 1175, 1325, 1382, 2350, 2491, 2650, 2764, 3455, 4700, 4982, 5300, 6910, 9964, 12455, 13820, 17275, 24910, 32477, 34550, 36623, 49820, 62275, 64954, 69100, 73246, 124550, 129908, 146492, 162385, 183115, 249100, 324770, 366230, 649540, 732460, 811925, 915575, 1623850, 1721281, 1831150, 3247700, 3442562, 3662300, 6885124, 8606405, 17212810, 34425620, 43032025, 86064050, 172128100]

約数ペア:

[(1, 172128100), (2, 86064050), (4, 43032025), (5, 34425620), (10, 17212810), (20, 8606405), (25, 6885124), (47, 3662300), (50, 3442562), (53, 3247700), (94, 1831150), (100, 1721281), (106, 1623850), (188, 915575), (212, 811925), (235, 732460), (265, 649540), (470, 366230), (530, 324770), (691, 249100), (940, 183115), (1060, 162385), (1175, 146492), (1325, 129908), (1382, 124550), (2350, 73246), (2491, 69100), (2650, 64954), (2764, 62275), (3455, 49820), (4700, 36623), (4982, 34550), (5300, 32477), (6910, 24910), (9964, 17275), (12455, 13820)]