29990220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38449}}^1$

素因数の和:38474

約数の個数: 48

約数和(自身を含む): 90434400

約数和(自身を除く): 60444180

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, 38449, 76898, 115347, 153796, 192245, 230694, 384490, 461388, 499837, 576735, 768980, 999674, 1153470, 1499511, 1999348, 2306940, 2499185, 2999022, 4998370, 5998044, 7497555, 9996740, 14995110, 29990220]

約数ペア:

[(1, 29990220), (2, 14995110), (3, 9996740), (4, 7497555), (5, 5998044), (6, 4998370), (10, 2999022), (12, 2499185), (13, 2306940), (15, 1999348), (20, 1499511), (26, 1153470), (30, 999674), (39, 768980), (52, 576735), (60, 499837), (65, 461388), (78, 384490), (130, 230694), (156, 192245), (195, 153796), (260, 115347), (390, 76898), (780, 38449)]