407144140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{5003}}^1$

素因数の和:5338

約数の個数: 48

約数和(自身を含む): 923898528

約数和(自身を除く): 516754388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 626, 1252, 1565, 3130, 4069, 5003, 6260, 8138, 10006, 16276, 20012, 20345, 25015, 40690, 50030, 65039, 81380, 100060, 130078, 260156, 325195, 650390, 1300780, 1565939, 3131878, 6263756, 7829695, 15659390, 20357207, 31318780, 40714414, 81428828, 101786035, 203572070, 407144140]

約数ペア:

[(1, 407144140), (2, 203572070), (4, 101786035), (5, 81428828), (10, 40714414), (13, 31318780), (20, 20357207), (26, 15659390), (52, 7829695), (65, 6263756), (130, 3131878), (260, 1565939), (313, 1300780), (626, 650390), (1252, 325195), (1565, 260156), (3130, 130078), (4069, 100060), (5003, 81380), (6260, 65039), (8138, 50030), (10006, 40690), (16276, 25015), (20012, 20345)]