2912705420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1\times {\mathrm{1669}}^1$

素因数の和:2978

約数の個数: 48

約数和(自身を含む): 6211598400

約数和(自身を除く): 3298892980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1229, 1420, 1669, 2458, 3338, 4916, 6145, 6676, 8345, 12290, 16690, 24580, 33380, 87259, 118499, 174518, 236998, 349036, 436295, 473996, 592495, 872590, 1184990, 1745180, 2051201, 2369980, 4102402, 8204804, 10256005, 20512010, 41024020, 145635271, 291270542, 582541084, 728176355, 1456352710, 2912705420]

約数ペア:

[(1, 2912705420), (2, 1456352710), (4, 728176355), (5, 582541084), (10, 291270542), (20, 145635271), (71, 41024020), (142, 20512010), (284, 10256005), (355, 8204804), (710, 4102402), (1229, 2369980), (1420, 2051201), (1669, 1745180), (2458, 1184990), (3338, 872590), (4916, 592495), (6145, 473996), (6676, 436295), (8345, 349036), (12290, 236998), (16690, 174518), (24580, 118499), (33380, 87259)]