68499800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{20147}}^1$

素因数の和:20180

約数の個数: 48

約数和(自身を含む): 168638760

約数和(自身を除く): 100138960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 20147, 40294, 80588, 100735, 161176, 201470, 342499, 402940, 503675, 684998, 805880, 1007350, 1369996, 1712495, 2014700, 2739992, 3424990, 4029400, 6849980, 8562475, 13699960, 17124950, 34249900, 68499800]

約数ペア:

[(1, 68499800), (2, 34249900), (4, 17124950), (5, 13699960), (8, 8562475), (10, 6849980), (17, 4029400), (20, 3424990), (25, 2739992), (34, 2014700), (40, 1712495), (50, 1369996), (68, 1007350), (85, 805880), (100, 684998), (136, 503675), (170, 402940), (200, 342499), (340, 201470), (425, 161176), (680, 100735), (850, 80588), (1700, 40294), (3400, 20147)]