4000290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 11252736

約数和(自身を除く): 7252446

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 443, 602, 645, 886, 903, 1290, 1329, 1505, 1806, 2215, 2658, 3010, 3101, 4430, 4515, 6202, 6645, 9030, 9303, 13290, 15505, 18606, 19049, 31010, 38098, 46515, 57147, 93030, 95245, 114294, 133343, 190490, 266686, 285735, 400029, 571470, 666715, 800058, 1333430, 2000145, 4000290]

約数ペア:

[(1, 4000290), (2, 2000145), (3, 1333430), (5, 800058), (6, 666715), (7, 571470), (10, 400029), (14, 285735), (15, 266686), (21, 190490), (30, 133343), (35, 114294), (42, 95245), (43, 93030), (70, 57147), (86, 46515), (105, 38098), (129, 31010), (210, 19049), (215, 18606), (258, 15505), (301, 13290), (430, 9303), (443, 9030), (602, 6645), (645, 6202), (886, 4515), (903, 4430), (1290, 3101), (1329, 3010), (1505, 2658), (1806, 2215)]