123171620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43067}}^1$

素因数の和:43100

約数の個数: 48

約数和(自身を含む): 303887808

約数和(自身を除く): 180716188

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 43067, 86134, 172268, 215335, 430670, 473737, 559871, 861340, 947474, 1119742, 1894948, 2239484, 2368685, 2799355, 4737370, 5598710, 6158581, 9474740, 11197420, 12317162, 24634324, 30792905, 61585810, 123171620]

約数ペア:

[(1, 123171620), (2, 61585810), (4, 30792905), (5, 24634324), (10, 12317162), (11, 11197420), (13, 9474740), (20, 6158581), (22, 5598710), (26, 4737370), (44, 2799355), (52, 2368685), (55, 2239484), (65, 1894948), (110, 1119742), (130, 947474), (143, 861340), (220, 559871), (260, 473737), (286, 430670), (572, 215335), (715, 172268), (1430, 86134), (2860, 43067)]