215569250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3491}}^1$

素因数の和:3540

約数の個数: 64

約数和(自身を含む): 457591680

約数和(自身を除く): 242022430

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 190, 247, 250, 325, 475, 494, 650, 950, 1235, 1625, 2375, 2470, 3250, 3491, 4750, 6175, 6982, 12350, 17455, 30875, 34910, 45383, 61750, 66329, 87275, 90766, 132658, 174550, 226915, 331645, 436375, 453830, 663290, 862277, 872750, 1134575, 1658225, 1724554, 2269150, 3316450, 4311385, 5672875, 8291125, 8622770, 11345750, 16582250, 21556925, 43113850, 107784625, 215569250]

約数ペア:

[(1, 215569250), (2, 107784625), (5, 43113850), (10, 21556925), (13, 16582250), (19, 11345750), (25, 8622770), (26, 8291125), (38, 5672875), (50, 4311385), (65, 3316450), (95, 2269150), (125, 1724554), (130, 1658225), (190, 1134575), (247, 872750), (250, 862277), (325, 663290), (475, 453830), (494, 436375), (650, 331645), (950, 226915), (1235, 174550), (1625, 132658), (2375, 90766), (2470, 87275), (3250, 66329), (3491, 61750), (4750, 45383), (6175, 34910), (6982, 30875), (12350, 17455)]