245388560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{98947}}^1$

素因数の和:98991

約数の個数: 40

約数和(自身を含む): 588938496

約数和(自身を除く): 343549936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 98947, 197894, 395788, 494735, 791576, 989470, 1583152, 1978940, 3067357, 3957880, 6134714, 7915760, 12269428, 15336785, 24538856, 30673570, 49077712, 61347140, 122694280, 245388560]

約数ペア:

[(1, 245388560), (2, 122694280), (4, 61347140), (5, 49077712), (8, 30673570), (10, 24538856), (16, 15336785), (20, 12269428), (31, 7915760), (40, 6134714), (62, 3957880), (80, 3067357), (124, 1978940), (155, 1583152), (248, 989470), (310, 791576), (496, 494735), (620, 395788), (1240, 197894), (2480, 98947)]