29720990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 59566752

約数和(自身を除く): 29845762

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 167, 185, 334, 370, 481, 835, 962, 1369, 1670, 2171, 2405, 2738, 4342, 4810, 6179, 6845, 10855, 12358, 13690, 17797, 21710, 30895, 35594, 61790, 80327, 88985, 160654, 177970, 228623, 401635, 457246, 803270, 1143115, 2286230, 2972099, 5944198, 14860495, 29720990]

約数ペア:

[(1, 29720990), (2, 14860495), (5, 5944198), (10, 2972099), (13, 2286230), (26, 1143115), (37, 803270), (65, 457246), (74, 401635), (130, 228623), (167, 177970), (185, 160654), (334, 88985), (370, 80327), (481, 61790), (835, 35594), (962, 30895), (1369, 21710), (1670, 17797), (2171, 13690), (2405, 12358), (2738, 10855), (4342, 6845), (4810, 6179)]