2018603750

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:627

約数の個数: 80

約数和(自身を含む): 3948835968

約数和(自身を除く): 1930232218

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 113, 125, 155, 226, 250, 310, 461, 565, 625, 775, 922, 1130, 1250, 1550, 2305, 2825, 3503, 3875, 4610, 5650, 7006, 7750, 11525, 14125, 14291, 17515, 19375, 23050, 28250, 28582, 35030, 38750, 52093, 57625, 70625, 71455, 87575, 104186, 115250, 141250, 142910, 175150, 260465, 288125, 357275, 437875, 520930, 576250, 714550, 875750, 1302325, 1614883, 1786375, 2189375, 2604650, 3229766, 3572750, 4378750, 6511625, 8074415, 8931875, 13023250, 16148830, 17863750, 32558125, 40372075, 65116250, 80744150, 201860375, 403720750, 1009301875, 2018603750]

約数ペア:

[(1, 2018603750), (2, 1009301875), (5, 403720750), (10, 201860375), (25, 80744150), (31, 65116250), (50, 40372075), (62, 32558125), (113, 17863750), (125, 16148830), (155, 13023250), (226, 8931875), (250, 8074415), (310, 6511625), (461, 4378750), (565, 3572750), (625, 3229766), (775, 2604650), (922, 2189375), (1130, 1786375), (1250, 1614883), (1550, 1302325), (2305, 875750), (2825, 714550), (3503, 576250), (3875, 520930), (4610, 437875), (5650, 357275), (7006, 288125), (7750, 260465), (11525, 175150), (14125, 142910), (14291, 141250), (17515, 115250), (19375, 104186), (23050, 87575), (28250, 71455), (28582, 70625), (35030, 57625), (38750, 52093)]