63063620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 136080000

約数和(自身を除く): 73016380

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 355, 356, 445, 499, 710, 890, 998, 1420, 1780, 1996, 2495, 4990, 6319, 9980, 12638, 25276, 31595, 35429, 44411, 63190, 70858, 88822, 126380, 141716, 177145, 177644, 222055, 354290, 444110, 708580, 888220, 3153181, 6306362, 12612724, 15765905, 31531810, 63063620]

約数ペア:

[(1, 63063620), (2, 31531810), (4, 15765905), (5, 12612724), (10, 6306362), (20, 3153181), (71, 888220), (89, 708580), (142, 444110), (178, 354290), (284, 222055), (355, 177644), (356, 177145), (445, 141716), (499, 126380), (710, 88822), (890, 70858), (998, 63190), (1420, 44411), (1780, 35429), (1996, 31595), (2495, 25276), (4990, 12638), (6319, 9980)]