201327020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1877}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 439181568

約数和(自身を除く): 237854548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 173, 310, 346, 620, 692, 865, 1730, 1877, 3460, 3754, 5363, 7508, 9385, 10726, 18770, 21452, 26815, 37540, 53630, 58187, 107260, 116374, 232748, 290935, 324721, 581870, 649442, 1163740, 1298884, 1623605, 3247210, 6494420, 10066351, 20132702, 40265404, 50331755, 100663510, 201327020]

約数ペア:

[(1, 201327020), (2, 100663510), (4, 50331755), (5, 40265404), (10, 20132702), (20, 10066351), (31, 6494420), (62, 3247210), (124, 1623605), (155, 1298884), (173, 1163740), (310, 649442), (346, 581870), (620, 324721), (692, 290935), (865, 232748), (1730, 116374), (1877, 107260), (3460, 58187), (3754, 53630), (5363, 37540), (7508, 26815), (9385, 21452), (10726, 18770)]