220858900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{129917}}^1$

素因数の和:129948

約数の個数: 36

約数和(自身を含む): 507459708

約数和(自身を除く): 286600808

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 129917, 259834, 519668, 649585, 1299170, 2208589, 2598340, 3247925, 4417178, 6495850, 8834356, 11042945, 12991700, 22085890, 44171780, 55214725, 110429450, 220858900]

約数ペア:

[(1, 220858900), (2, 110429450), (4, 55214725), (5, 44171780), (10, 22085890), (17, 12991700), (20, 11042945), (25, 8834356), (34, 6495850), (50, 4417178), (68, 3247925), (85, 2598340), (100, 2208589), (170, 1299170), (340, 649585), (425, 519668), (850, 259834), (1700, 129917)]