858371540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{46499}}^1$

素因数の和:46592

約数の個数: 48

約数和(自身を含む): 1968624000

約数和(自身を除く): 1110252460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 46499, 92998, 185996, 232495, 464990, 604487, 929980, 1208974, 2417948, 3022435, 3301429, 6044870, 6602858, 12089740, 13205716, 16507145, 33014290, 42918577, 66028580, 85837154, 171674308, 214592885, 429185770, 858371540]

約数ペア:

[(1, 858371540), (2, 429185770), (4, 214592885), (5, 171674308), (10, 85837154), (13, 66028580), (20, 42918577), (26, 33014290), (52, 16507145), (65, 13205716), (71, 12089740), (130, 6602858), (142, 6044870), (260, 3301429), (284, 3022435), (355, 2417948), (710, 1208974), (923, 929980), (1420, 604487), (1846, 464990), (3692, 232495), (4615, 185996), (9230, 92998), (18460, 46499)]