66492020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3571}}^1$

素因数の和:3613

約数の個数: 72

約数和(自身を含む): 171027360

約数和(自身を除く): 104535340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3571, 3724, 4655, 7142, 9310, 14284, 17855, 18620, 24997, 35710, 49994, 67849, 71420, 99988, 124985, 135698, 174979, 249970, 271396, 339245, 349958, 474943, 499940, 678490, 699916, 874895, 949886, 1356980, 1749790, 1899772, 2374715, 3324601, 3499580, 4749430, 6649202, 9498860, 13298404, 16623005, 33246010, 66492020]

約数ペア:

[(1, 66492020), (2, 33246010), (4, 16623005), (5, 13298404), (7, 9498860), (10, 6649202), (14, 4749430), (19, 3499580), (20, 3324601), (28, 2374715), (35, 1899772), (38, 1749790), (49, 1356980), (70, 949886), (76, 874895), (95, 699916), (98, 678490), (133, 499940), (140, 474943), (190, 349958), (196, 339245), (245, 271396), (266, 249970), (380, 174979), (490, 135698), (532, 124985), (665, 99988), (931, 71420), (980, 67849), (1330, 49994), (1862, 35710), (2660, 24997), (3571, 18620), (3724, 17855), (4655, 14284), (7142, 9310)]