1054289980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1\times {\mathrm{701}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 2237245920

約数和(自身を除く): 1182955940

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 541, 556, 695, 701, 1082, 1390, 1402, 2164, 2705, 2780, 2804, 3505, 5410, 7010, 10820, 14020, 75199, 97439, 150398, 194878, 300796, 375995, 379241, 389756, 487195, 751990, 758482, 974390, 1503980, 1516964, 1896205, 1948780, 3792410, 7584820, 52714499, 105428998, 210857996, 263572495, 527144990, 1054289980]

約数ペア:

[(1, 1054289980), (2, 527144990), (4, 263572495), (5, 210857996), (10, 105428998), (20, 52714499), (139, 7584820), (278, 3792410), (541, 1948780), (556, 1896205), (695, 1516964), (701, 1503980), (1082, 974390), (1390, 758482), (1402, 751990), (2164, 487195), (2705, 389756), (2780, 379241), (2804, 375995), (3505, 300796), (5410, 194878), (7010, 150398), (10820, 97439), (14020, 75199)]