72419970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{344857}}^1$

素因数の和:344874

約数の個数: 32

約数和(自身を含む): 198638208

約数和(自身を除く): 126218238

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 344857, 689714, 1034571, 1724285, 2069142, 2413999, 3448570, 4827998, 5172855, 7241997, 10345710, 12069995, 14483994, 24139990, 36209985, 72419970]

約数ペア:

[(1, 72419970), (2, 36209985), (3, 24139990), (5, 14483994), (6, 12069995), (7, 10345710), (10, 7241997), (14, 5172855), (15, 4827998), (21, 3448570), (30, 2413999), (35, 2069142), (42, 1724285), (70, 1034571), (105, 689714), (210, 344857)]