641036690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{212969}}^1$

素因数の和:213026

約数の個数: 32

約数和(自身を含む): 1349377920

約数和(自身を除く): 708341230

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 212969, 425938, 1064845, 1490783, 2129690, 2981566, 7453915, 9157667, 14907830, 18315334, 45788335, 64103669, 91576670, 128207338, 320518345, 641036690]

約数ペア:

[(1, 641036690), (2, 320518345), (5, 128207338), (7, 91576670), (10, 64103669), (14, 45788335), (35, 18315334), (43, 14907830), (70, 9157667), (86, 7453915), (215, 2981566), (301, 2129690), (430, 1490783), (602, 1064845), (1505, 425938), (3010, 212969)]