497204138920

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1\times {\mathrm{118057}}^1$

素因数の和:118778

約数の個数: 64

約数和(自身を含む): 1126273320000

約数和(自身を除く): 629069181080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 499, 844, 998, 1055, 1688, 1996, 2110, 2495, 3992, 4220, 4990, 8440, 9980, 19960, 105289, 118057, 210578, 236114, 421156, 472228, 526445, 590285, 842312, 944456, 1052890, 1180570, 2105780, 2361140, 4211560, 4722280, 24910027, 49820054, 58910443, 99640108, 117820886, 124550135, 199280216, 235641772, 249100270, 294552215, 471283544, 498200540, 589104430, 996401080, 1178208860, 2356417720, 12430103473, 24860206946, 49720413892, 62150517365, 99440827784, 124301034730, 248602069460, 497204138920]

約数ペア:

[(1, 497204138920), (2, 248602069460), (4, 124301034730), (5, 99440827784), (8, 62150517365), (10, 49720413892), (20, 24860206946), (40, 12430103473), (211, 2356417720), (422, 1178208860), (499, 996401080), (844, 589104430), (998, 498200540), (1055, 471283544), (1688, 294552215), (1996, 249100270), (2110, 235641772), (2495, 199280216), (3992, 124550135), (4220, 117820886), (4990, 99640108), (8440, 58910443), (9980, 49820054), (19960, 24910027), (105289, 4722280), (118057, 4211560), (210578, 2361140), (236114, 2105780), (421156, 1180570), (472228, 1052890), (526445, 944456), (590285, 842312)]