85742900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1689

約数の個数: 72

約数和(自身を含む): 203486976

約数和(自身を除く): 117744076

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 310, 340, 425, 527, 620, 775, 850, 1054, 1550, 1627, 1700, 2108, 2635, 3100, 3254, 5270, 6508, 8135, 10540, 13175, 16270, 26350, 27659, 32540, 40675, 50437, 52700, 55318, 81350, 100874, 110636, 138295, 162700, 201748, 252185, 276590, 504370, 553180, 691475, 857429, 1008740, 1260925, 1382950, 1714858, 2521850, 2765900, 3429716, 4287145, 5043700, 8574290, 17148580, 21435725, 42871450, 85742900]

約数ペア:

[(1, 85742900), (2, 42871450), (4, 21435725), (5, 17148580), (10, 8574290), (17, 5043700), (20, 4287145), (25, 3429716), (31, 2765900), (34, 2521850), (50, 1714858), (62, 1382950), (68, 1260925), (85, 1008740), (100, 857429), (124, 691475), (155, 553180), (170, 504370), (310, 276590), (340, 252185), (425, 201748), (527, 162700), (620, 138295), (775, 110636), (850, 100874), (1054, 81350), (1550, 55318), (1627, 52700), (1700, 50437), (2108, 40675), (2635, 32540), (3100, 27659), (3254, 26350), (5270, 16270), (6508, 13175), (8135, 10540)]