69918860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 172972800

約数和(自身を除く): 103053940

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 43, 44, 55, 76, 86, 95, 110, 172, 190, 209, 215, 220, 380, 389, 418, 430, 473, 778, 817, 836, 860, 946, 1045, 1556, 1634, 1892, 1945, 2090, 2365, 3268, 3890, 4085, 4180, 4279, 4730, 7391, 7780, 8170, 8558, 8987, 9460, 14782, 16340, 16727, 17116, 17974, 21395, 29564, 33454, 35948, 36955, 42790, 44935, 66908, 73910, 81301, 83635, 85580, 89870, 147820, 162602, 167270, 179740, 183997, 317813, 325204, 334540, 367994, 406505, 635626, 735988, 813010, 919985, 1271252, 1589065, 1626020, 1839970, 3178130, 3495943, 3679940, 6356260, 6991886, 13983772, 17479715, 34959430, 69918860]

約数ペア:

[(1, 69918860), (2, 34959430), (4, 17479715), (5, 13983772), (10, 6991886), (11, 6356260), (19, 3679940), (20, 3495943), (22, 3178130), (38, 1839970), (43, 1626020), (44, 1589065), (55, 1271252), (76, 919985), (86, 813010), (95, 735988), (110, 635626), (172, 406505), (190, 367994), (209, 334540), (215, 325204), (220, 317813), (380, 183997), (389, 179740), (418, 167270), (430, 162602), (473, 147820), (778, 89870), (817, 85580), (836, 83635), (860, 81301), (946, 73910), (1045, 66908), (1556, 44935), (1634, 42790), (1892, 36955), (1945, 35948), (2090, 33454), (2365, 29564), (3268, 21395), (3890, 17974), (4085, 17116), (4180, 16727), (4279, 16340), (4730, 14782), (7391, 9460), (7780, 8987), (8170, 8558)]