7550140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 17357760

約数和(自身を除く): 9807620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 409, 710, 818, 923, 1420, 1636, 1846, 2045, 3692, 4090, 4615, 5317, 8180, 9230, 10634, 18460, 21268, 26585, 29039, 53170, 58078, 106340, 116156, 145195, 290390, 377507, 580780, 755014, 1510028, 1887535, 3775070, 7550140]

約数ペア:

[(1, 7550140), (2, 3775070), (4, 1887535), (5, 1510028), (10, 755014), (13, 580780), (20, 377507), (26, 290390), (52, 145195), (65, 116156), (71, 106340), (130, 58078), (142, 53170), (260, 29039), (284, 26585), (355, 21268), (409, 18460), (710, 10634), (818, 9230), (923, 8180), (1420, 5317), (1636, 4615), (1846, 4090), (2045, 3692)]