28767430

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 53460000

約数和(自身を除く): 24692570

約数列:

[1, 2, 5, 10, 43, 86, 149, 215, 298, 430, 449, 745, 898, 1490, 2245, 4490, 6407, 12814, 19307, 32035, 38614, 64070, 66901, 96535, 133802, 193070, 334505, 669010, 2876743, 5753486, 14383715, 28767430]

約数ペア:

[(1, 28767430), (2, 14383715), (5, 5753486), (10, 2876743), (43, 669010), (86, 334505), (149, 193070), (215, 133802), (298, 96535), (430, 66901), (449, 64070), (745, 38614), (898, 32035), (1490, 19307), (2245, 12814), (4490, 6407)]