30809740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1669}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 70701120

約数和(自身を除く): 39891380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1669, 1846, 3338, 3692, 4615, 6676, 8345, 9230, 16690, 18460, 21697, 33380, 43394, 86788, 108485, 118499, 216970, 236998, 433940, 473996, 592495, 1184990, 1540487, 2369980, 3080974, 6161948, 7702435, 15404870, 30809740]

約数ペア:

[(1, 30809740), (2, 15404870), (4, 7702435), (5, 6161948), (10, 3080974), (13, 2369980), (20, 1540487), (26, 1184990), (52, 592495), (65, 473996), (71, 433940), (130, 236998), (142, 216970), (260, 118499), (284, 108485), (355, 86788), (710, 43394), (923, 33380), (1420, 21697), (1669, 18460), (1846, 16690), (3338, 9230), (3692, 8345), (4615, 6676)]