744806540

素因数分解:

$2^2\times 5^1\times {\mathrm{4217}}^1\times {\mathrm{8831}}^1$

素因数の和:13057

約数の個数: 24

約数和(自身を含む): 1564641792

約数和(自身を除く): 819835252

約数列:

[1, 2, 4, 5, 10, 20, 4217, 8434, 8831, 16868, 17662, 21085, 35324, 42170, 44155, 84340, 88310, 176620, 37240327, 74480654, 148961308, 186201635, 372403270, 744806540]

約数ペア:

[(1, 744806540), (2, 372403270), (4, 186201635), (5, 148961308), (10, 74480654), (20, 37240327), (4217, 176620), (8434, 88310), (8831, 84340), (16868, 44155), (17662, 42170), (21085, 35324)]