199677940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18523}}^1$

素因数の和:18557

約数の個数: 72

約数和(自身を含む): 532157472

約数和(自身を除く): 332479532

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 18523, 37046, 74092, 92615, 129661, 185230, 203753, 259322, 370460, 407506, 518644, 648305, 815012, 907627, 1018765, 1296610, 1426271, 1815254, 2037530, 2593220, 2852542, 3630508, 4075060, 4538135, 5705084, 7131355, 9076270, 9983897, 14262710, 18152540, 19967794, 28525420, 39935588, 49919485, 99838970, 199677940]

約数ペア:

[(1, 199677940), (2, 99838970), (4, 49919485), (5, 39935588), (7, 28525420), (10, 19967794), (11, 18152540), (14, 14262710), (20, 9983897), (22, 9076270), (28, 7131355), (35, 5705084), (44, 4538135), (49, 4075060), (55, 3630508), (70, 2852542), (77, 2593220), (98, 2037530), (110, 1815254), (140, 1426271), (154, 1296610), (196, 1018765), (220, 907627), (245, 815012), (308, 648305), (385, 518644), (490, 407506), (539, 370460), (770, 259322), (980, 203753), (1078, 185230), (1540, 129661), (2156, 92615), (2695, 74092), (5390, 37046), (10780, 18523)]