278342000

素因数分解:

$2^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{4799}}^1$

素因数の和:4851

約数の個数: 80

約数和(自身を含む): 696384000

約数和(自身を除く): 418042000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 290, 400, 464, 500, 580, 725, 1000, 1160, 1450, 2000, 2320, 2900, 3625, 4799, 5800, 7250, 9598, 11600, 14500, 19196, 23995, 29000, 38392, 47990, 58000, 76784, 95980, 119975, 139171, 191960, 239950, 278342, 383920, 479900, 556684, 599875, 695855, 959800, 1113368, 1199750, 1391710, 1919600, 2226736, 2399500, 2783420, 3479275, 4799000, 5566840, 6958550, 9598000, 11133680, 13917100, 17396375, 27834200, 34792750, 55668400, 69585500, 139171000, 278342000]

約数ペア:

[(1, 278342000), (2, 139171000), (4, 69585500), (5, 55668400), (8, 34792750), (10, 27834200), (16, 17396375), (20, 13917100), (25, 11133680), (29, 9598000), (40, 6958550), (50, 5566840), (58, 4799000), (80, 3479275), (100, 2783420), (116, 2399500), (125, 2226736), (145, 1919600), (200, 1391710), (232, 1199750), (250, 1113368), (290, 959800), (400, 695855), (464, 599875), (500, 556684), (580, 479900), (725, 383920), (1000, 278342), (1160, 239950), (1450, 191960), (2000, 139171), (2320, 119975), (2900, 95980), (3625, 76784), (4799, 58000), (5800, 47990), (7250, 38392), (9598, 29000), (11600, 23995), (14500, 19196)]