203446490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2657}}^1$

素因数の和:2727

約数の個数: 64

約数和(自身を含む): 428682240

約数和(自身を除く): 225235750

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 190, 247, 310, 403, 494, 589, 806, 1178, 1235, 2015, 2470, 2657, 2945, 4030, 5314, 5890, 7657, 13285, 15314, 26570, 34541, 38285, 50483, 69082, 76570, 82367, 100966, 164734, 172705, 252415, 345410, 411835, 504830, 656279, 823670, 1070771, 1312558, 1564973, 2141542, 3129946, 3281395, 5353855, 6562790, 7824865, 10707710, 15649730, 20344649, 40689298, 101723245, 203446490]

約数ペア:

[(1, 203446490), (2, 101723245), (5, 40689298), (10, 20344649), (13, 15649730), (19, 10707710), (26, 7824865), (31, 6562790), (38, 5353855), (62, 3281395), (65, 3129946), (95, 2141542), (130, 1564973), (155, 1312558), (190, 1070771), (247, 823670), (310, 656279), (403, 504830), (494, 411835), (589, 345410), (806, 252415), (1178, 172705), (1235, 164734), (2015, 100966), (2470, 82367), (2657, 76570), (2945, 69082), (4030, 50483), (5314, 38285), (5890, 34541), (7657, 26570), (13285, 15314)]