9968318200

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{253003}}^1$

素因数の和:253216

約数の個数: 48

約数和(自身を含む): 23294078280

約数和(自身を除く): 13325760080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1576, 1970, 3940, 4925, 7880, 9850, 19700, 39400, 253003, 506006, 1012012, 1265015, 2024024, 2530030, 5060060, 6325075, 10120120, 12650150, 25300300, 49841591, 50600600, 99683182, 199366364, 249207955, 398732728, 498415910, 996831820, 1246039775, 1993663640, 2492079550, 4984159100, 9968318200]

約数ペア:

[(1, 9968318200), (2, 4984159100), (4, 2492079550), (5, 1993663640), (8, 1246039775), (10, 996831820), (20, 498415910), (25, 398732728), (40, 249207955), (50, 199366364), (100, 99683182), (197, 50600600), (200, 49841591), (394, 25300300), (788, 12650150), (985, 10120120), (1576, 6325075), (1970, 5060060), (3940, 2530030), (4925, 2024024), (7880, 1265015), (9850, 1012012), (19700, 506006), (39400, 253003)]