289301460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{688813}}^1$

素因数の和:688832

約数の個数: 48

約数和(自身を含む): 925766016

約数和(自身を除く): 636464556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 688813, 1377626, 2066439, 2755252, 3444065, 4132878, 4821691, 6888130, 8265756, 9643382, 10332195, 13776260, 14465073, 19286764, 20664390, 24108455, 28930146, 41328780, 48216910, 57860292, 72325365, 96433820, 144650730, 289301460]

約数ペア:

[(1, 289301460), (2, 144650730), (3, 96433820), (4, 72325365), (5, 57860292), (6, 48216910), (7, 41328780), (10, 28930146), (12, 24108455), (14, 20664390), (15, 19286764), (20, 14465073), (21, 13776260), (28, 10332195), (30, 9643382), (35, 8265756), (42, 6888130), (60, 4821691), (70, 4132878), (84, 3444065), (105, 2755252), (140, 2066439), (210, 1377626), (420, 688813)]