788308980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{19937}}^1$

素因数の和:20608

約数の個数: 48

約数和(自身を含む): 2210725440

約数和(自身を除く): 1422416460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 659, 1318, 1977, 2636, 3295, 3954, 6590, 7908, 9885, 13180, 19770, 19937, 39540, 39874, 59811, 79748, 99685, 119622, 199370, 239244, 299055, 398740, 598110, 1196220, 13138483, 26276966, 39415449, 52553932, 65692415, 78830898, 131384830, 157661796, 197077245, 262769660, 394154490, 788308980]

約数ペア:

[(1, 788308980), (2, 394154490), (3, 262769660), (4, 197077245), (5, 157661796), (6, 131384830), (10, 78830898), (12, 65692415), (15, 52553932), (20, 39415449), (30, 26276966), (60, 13138483), (659, 1196220), (1318, 598110), (1977, 398740), (2636, 299055), (3295, 239244), (3954, 199370), (6590, 119622), (7908, 99685), (9885, 79748), (13180, 59811), (19770, 39874), (19937, 39540)]