280422612

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{461}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 724635912

約数和(自身を除く): 444213300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 277, 366, 461, 549, 554, 732, 831, 922, 1098, 1108, 1383, 1662, 1844, 2196, 2493, 2766, 3324, 4149, 4986, 5532, 8298, 9972, 16596, 16897, 28121, 33794, 50691, 56242, 67588, 84363, 101382, 112484, 127697, 152073, 168726, 202764, 253089, 255394, 304146, 337452, 383091, 506178, 510788, 608292, 766182, 1012356, 1149273, 1532364, 2298546, 4597092, 7789517, 15579034, 23368551, 31158068, 46737102, 70105653, 93474204, 140211306, 280422612]

約数ペア:

[(1, 280422612), (2, 140211306), (3, 93474204), (4, 70105653), (6, 46737102), (9, 31158068), (12, 23368551), (18, 15579034), (36, 7789517), (61, 4597092), (122, 2298546), (183, 1532364), (244, 1149273), (277, 1012356), (366, 766182), (461, 608292), (549, 510788), (554, 506178), (732, 383091), (831, 337452), (922, 304146), (1098, 255394), (1108, 253089), (1383, 202764), (1662, 168726), (1844, 152073), (2196, 127697), (2493, 112484), (2766, 101382), (3324, 84363), (4149, 67588), (4986, 56242), (5532, 50691), (8298, 33794), (9972, 28121), (16596, 16897)]