68209220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 147571200

約数和(自身を除く): 79361980

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 149, 188, 235, 298, 470, 487, 596, 745, 940, 974, 1490, 1948, 2435, 2980, 4870, 7003, 9740, 14006, 22889, 28012, 35015, 45778, 70030, 72563, 91556, 114445, 140060, 145126, 228890, 290252, 362815, 457780, 725630, 1451260, 3410461, 6820922, 13641844, 17052305, 34104610, 68209220]

約数ペア:

[(1, 68209220), (2, 34104610), (4, 17052305), (5, 13641844), (10, 6820922), (20, 3410461), (47, 1451260), (94, 725630), (149, 457780), (188, 362815), (235, 290252), (298, 228890), (470, 145126), (487, 140060), (596, 114445), (745, 91556), (940, 72563), (974, 70030), (1490, 45778), (1948, 35015), (2435, 28012), (2980, 22889), (4870, 14006), (7003, 9740)]