79142990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 77621170

約数列:

[1, 2, 5, 10, 17, 34, 71, 79, 83, 85, 142, 158, 166, 170, 355, 395, 415, 710, 790, 830, 1207, 1343, 1411, 2414, 2686, 2822, 5609, 5893, 6035, 6557, 6715, 7055, 11218, 11786, 12070, 13114, 13430, 14110, 28045, 29465, 32785, 56090, 58930, 65570, 95353, 100181, 111469, 190706, 200362, 222938, 465547, 476765, 500905, 557345, 931094, 953530, 1001810, 1114690, 2327735, 4655470, 7914299, 15828598, 39571495, 79142990]

約数ペア:

[(1, 79142990), (2, 39571495), (5, 15828598), (10, 7914299), (17, 4655470), (34, 2327735), (71, 1114690), (79, 1001810), (83, 953530), (85, 931094), (142, 557345), (158, 500905), (166, 476765), (170, 465547), (355, 222938), (395, 200362), (415, 190706), (710, 111469), (790, 100181), (830, 95353), (1207, 65570), (1343, 58930), (1411, 56090), (2414, 32785), (2686, 29465), (2822, 28045), (5609, 14110), (5893, 13430), (6035, 13114), (6557, 12070), (6715, 11786), (7055, 11218)]