674660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 1666560

約数和(自身を除く): 991900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 79, 122, 140, 158, 244, 305, 316, 395, 427, 553, 610, 790, 854, 1106, 1220, 1580, 1708, 2135, 2212, 2765, 4270, 4819, 5530, 8540, 9638, 11060, 19276, 24095, 33733, 48190, 67466, 96380, 134932, 168665, 337330, 674660]

約数ペア:

[(1, 674660), (2, 337330), (4, 168665), (5, 134932), (7, 96380), (10, 67466), (14, 48190), (20, 33733), (28, 24095), (35, 19276), (61, 11060), (70, 9638), (79, 8540), (122, 5530), (140, 4819), (158, 4270), (244, 2765), (305, 2212), (316, 2135), (395, 1708), (427, 1580), (553, 1220), (610, 1106), (790, 854)]