199582280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{74471}}^1$

素因数の和:74549

約数の個数: 32

約数和(自身を含む): 455768640

約数和(自身を除く): 256186360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 74471, 148942, 297884, 372355, 595768, 744710, 1489420, 2978840, 4989557, 9979114, 19958228, 24947785, 39916456, 49895570, 99791140, 199582280]

約数ペア:

[(1, 199582280), (2, 99791140), (4, 49895570), (5, 39916456), (8, 24947785), (10, 19958228), (20, 9979114), (40, 4989557), (67, 2978840), (134, 1489420), (268, 744710), (335, 595768), (536, 372355), (670, 297884), (1340, 148942), (2680, 74471)]