77883820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{556313}}^1$

素因数の和:556329

約数の個数: 24

約数和(自身を含む): 186921504

約数和(自身を除く): 109037684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 556313, 1112626, 2225252, 2781565, 3894191, 5563130, 7788382, 11126260, 15576764, 19470955, 38941910, 77883820]

約数ペア:

[(1, 77883820), (2, 38941910), (4, 19470955), (5, 15576764), (7, 11126260), (10, 7788382), (14, 5563130), (20, 3894191), (28, 2781565), (35, 2225252), (70, 1112626), (140, 556313)]