245750180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{49747}}^1$

素因数の和:49788

約数の個数: 48

約数和(自身を含む): 585036480

約数和(自身を除く): 339286300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 49747, 99494, 198988, 248735, 497470, 646711, 945193, 994940, 1293422, 1890386, 2586844, 3233555, 3780772, 4725965, 6467110, 9451930, 12287509, 12934220, 18903860, 24575018, 49150036, 61437545, 122875090, 245750180]

約数ペア:

[(1, 245750180), (2, 122875090), (4, 61437545), (5, 49150036), (10, 24575018), (13, 18903860), (19, 12934220), (20, 12287509), (26, 9451930), (38, 6467110), (52, 4725965), (65, 3780772), (76, 3233555), (95, 2586844), (130, 1890386), (190, 1293422), (247, 994940), (260, 945193), (380, 646711), (494, 497470), (988, 248735), (1235, 198988), (2470, 99494), (4940, 49747)]