408045950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21647}}^1$

素因数の和:21701

約数の個数: 48

約数和(自身を含む): 845570880

約数和(自身を除く): 437524930

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 290, 325, 377, 650, 725, 754, 1450, 1885, 3770, 9425, 18850, 21647, 43294, 108235, 216470, 281411, 541175, 562822, 627763, 1082350, 1255526, 1407055, 2814110, 3138815, 6277630, 7035275, 8160919, 14070550, 15694075, 16321838, 31388150, 40804595, 81609190, 204022975, 408045950]

約数ペア:

[(1, 408045950), (2, 204022975), (5, 81609190), (10, 40804595), (13, 31388150), (25, 16321838), (26, 15694075), (29, 14070550), (50, 8160919), (58, 7035275), (65, 6277630), (130, 3138815), (145, 2814110), (290, 1407055), (325, 1255526), (377, 1082350), (650, 627763), (725, 562822), (754, 541175), (1450, 281411), (1885, 216470), (3770, 108235), (9425, 43294), (18850, 21647)]