749847580

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{1297}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 1594920096

約数和(自身を除く): 845072516

約数列:

[1, 2, 4, 5, 10, 20, 137, 211, 274, 422, 548, 685, 844, 1055, 1297, 1370, 2110, 2594, 2740, 4220, 5188, 6485, 12970, 25940, 28907, 57814, 115628, 144535, 177689, 273667, 289070, 355378, 547334, 578140, 710756, 888445, 1094668, 1368335, 1776890, 2736670, 3553780, 5473340, 37492379, 74984758, 149969516, 187461895, 374923790, 749847580]

約数ペア:

[(1, 749847580), (2, 374923790), (4, 187461895), (5, 149969516), (10, 74984758), (20, 37492379), (137, 5473340), (211, 3553780), (274, 2736670), (422, 1776890), (548, 1368335), (685, 1094668), (844, 888445), (1055, 710756), (1297, 578140), (1370, 547334), (2110, 355378), (2594, 289070), (2740, 273667), (4220, 177689), (5188, 144535), (6485, 115628), (12970, 57814), (25940, 28907)]