30209970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{20551}}^1$

素因数の和:20575

約数の個数: 48

約数和(自身を含む): 84345408

約数和(自身を除く): 54135438

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 20551, 41102, 61653, 102755, 123306, 143857, 205510, 287714, 308265, 431571, 616530, 719285, 863142, 1006999, 1438570, 2013998, 2157855, 3020997, 4315710, 5034995, 6041994, 10069990, 15104985, 30209970]

約数ペア:

[(1, 30209970), (2, 15104985), (3, 10069990), (5, 6041994), (6, 5034995), (7, 4315710), (10, 3020997), (14, 2157855), (15, 2013998), (21, 1438570), (30, 1006999), (35, 863142), (42, 719285), (49, 616530), (70, 431571), (98, 308265), (105, 287714), (147, 205510), (210, 143857), (245, 123306), (294, 102755), (490, 61653), (735, 41102), (1470, 20551)]