98818980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{126691}}^1$

素因数の和:126716

約数の個数: 48

約数和(自身を含む): 297979584

約数和(自身を除く): 199160604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 126691, 253382, 380073, 506764, 633455, 760146, 1266910, 1520292, 1646983, 1900365, 2533820, 3293966, 3800730, 4940949, 6587932, 7601460, 8234915, 9881898, 16469830, 19763796, 24704745, 32939660, 49409490, 98818980]

約数ペア:

[(1, 98818980), (2, 49409490), (3, 32939660), (4, 24704745), (5, 19763796), (6, 16469830), (10, 9881898), (12, 8234915), (13, 7601460), (15, 6587932), (20, 4940949), (26, 3800730), (30, 3293966), (39, 2533820), (52, 1900365), (60, 1646983), (65, 1520292), (78, 1266910), (130, 760146), (156, 633455), (195, 506764), (260, 380073), (390, 253382), (780, 126691)]