7328620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 16849728

約数和(自身を除く): 9521108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 397, 710, 794, 923, 1420, 1588, 1846, 1985, 3692, 3970, 4615, 5161, 7940, 9230, 10322, 18460, 20644, 25805, 28187, 51610, 56374, 103220, 112748, 140935, 281870, 366431, 563740, 732862, 1465724, 1832155, 3664310, 7328620]

約数ペア:

[(1, 7328620), (2, 3664310), (4, 1832155), (5, 1465724), (10, 732862), (13, 563740), (20, 366431), (26, 281870), (52, 140935), (65, 112748), (71, 103220), (130, 56374), (142, 51610), (260, 28187), (284, 25805), (355, 20644), (397, 18460), (710, 10322), (794, 9230), (923, 7940), (1420, 5161), (1588, 4615), (1846, 3970), (1985, 3692)]