193179640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 444165120

約数和(自身を除く): 250985480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 251, 271, 284, 355, 502, 542, 568, 710, 1004, 1084, 1255, 1355, 1420, 2008, 2168, 2510, 2710, 2840, 5020, 5420, 10040, 10840, 17821, 19241, 35642, 38482, 68021, 71284, 76964, 89105, 96205, 136042, 142568, 153928, 178210, 192410, 272084, 340105, 356420, 384820, 544168, 680210, 712840, 769640, 1360420, 2720840, 4829491, 9658982, 19317964, 24147455, 38635928, 48294910, 96589820, 193179640]

約数ペア:

[(1, 193179640), (2, 96589820), (4, 48294910), (5, 38635928), (8, 24147455), (10, 19317964), (20, 9658982), (40, 4829491), (71, 2720840), (142, 1360420), (251, 769640), (271, 712840), (284, 680210), (355, 544168), (502, 384820), (542, 356420), (568, 340105), (710, 272084), (1004, 192410), (1084, 178210), (1255, 153928), (1355, 142568), (1420, 136042), (2008, 96205), (2168, 89105), (2510, 76964), (2710, 71284), (2840, 68021), (5020, 38482), (5420, 35642), (10040, 19241), (10840, 17821)]