1790620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 4148928

約数和(自身を除く): 2358308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 97, 130, 142, 194, 260, 284, 355, 388, 485, 710, 923, 970, 1261, 1420, 1846, 1940, 2522, 3692, 4615, 5044, 6305, 6887, 9230, 12610, 13774, 18460, 25220, 27548, 34435, 68870, 89531, 137740, 179062, 358124, 447655, 895310, 1790620]

約数ペア:

[(1, 1790620), (2, 895310), (4, 447655), (5, 358124), (10, 179062), (13, 137740), (20, 89531), (26, 68870), (52, 34435), (65, 27548), (71, 25220), (97, 18460), (130, 13774), (142, 12610), (194, 9230), (260, 6887), (284, 6305), (355, 5044), (388, 4615), (485, 3692), (710, 2522), (923, 1940), (970, 1846), (1261, 1420)]