388407704840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{2045543}}^1$

素因数の和:2045702

約数の個数: 64

約数和(自身を含む): 901348508160

約数和(自身を除く): 512940803320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 101, 188, 202, 235, 376, 404, 470, 505, 808, 940, 1010, 1880, 2020, 4040, 4747, 9494, 18988, 23735, 37976, 47470, 94940, 189880, 2045543, 4091086, 8182172, 10227715, 16364344, 20455430, 40910860, 81821720, 96140521, 192281042, 206599843, 384562084, 413199686, 480702605, 769124168, 826399372, 961405210, 1032999215, 1652798744, 1922810420, 2065998430, 3845620840, 4131996860, 8263993720, 9710192621, 19420385242, 38840770484, 48550963105, 77681540968, 97101926210, 194203852420, 388407704840]

約数ペア:

[(1, 388407704840), (2, 194203852420), (4, 97101926210), (5, 77681540968), (8, 48550963105), (10, 38840770484), (20, 19420385242), (40, 9710192621), (47, 8263993720), (94, 4131996860), (101, 3845620840), (188, 2065998430), (202, 1922810420), (235, 1652798744), (376, 1032999215), (404, 961405210), (470, 826399372), (505, 769124168), (808, 480702605), (940, 413199686), (1010, 384562084), (1880, 206599843), (2020, 192281042), (4040, 96140521), (4747, 81821720), (9494, 40910860), (18988, 20455430), (23735, 16364344), (37976, 10227715), (47470, 8182172), (94940, 4091086), (189880, 2045543)]