9441980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 20810496

約数和(自身を除く): 11368516

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 157, 194, 310, 314, 388, 485, 620, 628, 785, 970, 1570, 1940, 3007, 3140, 4867, 6014, 9734, 12028, 15035, 15229, 19468, 24335, 30070, 30458, 48670, 60140, 60916, 76145, 97340, 152290, 304580, 472099, 944198, 1888396, 2360495, 4720990, 9441980]

約数ペア:

[(1, 9441980), (2, 4720990), (4, 2360495), (5, 1888396), (10, 944198), (20, 472099), (31, 304580), (62, 152290), (97, 97340), (124, 76145), (155, 60916), (157, 60140), (194, 48670), (310, 30458), (314, 30070), (388, 24335), (485, 19468), (620, 15229), (628, 15035), (785, 12028), (970, 9734), (1570, 6014), (1940, 4867), (3007, 3140)]