28820490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 72351360

約数和(自身を除く): 43530870

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 157, 174, 211, 290, 314, 422, 435, 471, 633, 785, 870, 942, 1055, 1266, 1570, 2110, 2355, 3165, 4553, 4710, 6119, 6330, 9106, 12238, 13659, 18357, 22765, 27318, 30595, 33127, 36714, 45530, 61190, 66254, 68295, 91785, 99381, 136590, 165635, 183570, 198762, 331270, 496905, 960683, 993810, 1921366, 2882049, 4803415, 5764098, 9606830, 14410245, 28820490]

約数ペア:

[(1, 28820490), (2, 14410245), (3, 9606830), (5, 5764098), (6, 4803415), (10, 2882049), (15, 1921366), (29, 993810), (30, 960683), (58, 496905), (87, 331270), (145, 198762), (157, 183570), (174, 165635), (211, 136590), (290, 99381), (314, 91785), (422, 68295), (435, 66254), (471, 61190), (633, 45530), (785, 36714), (870, 33127), (942, 30595), (1055, 27318), (1266, 22765), (1570, 18357), (2110, 13659), (2355, 12238), (3165, 9106), (4553, 6330), (4710, 6119)]