2138360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1091}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 5601960

約数和(自身を除く): 3463600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1091, 1960, 2182, 4364, 5455, 7637, 8728, 10910, 15274, 21820, 30548, 38185, 43640, 53459, 61096, 76370, 106918, 152740, 213836, 267295, 305480, 427672, 534590, 1069180, 2138360]

約数ペア:

[(1, 2138360), (2, 1069180), (4, 534590), (5, 427672), (7, 305480), (8, 267295), (10, 213836), (14, 152740), (20, 106918), (28, 76370), (35, 61096), (40, 53459), (49, 43640), (56, 38185), (70, 30548), (98, 21820), (140, 15274), (196, 10910), (245, 8728), (280, 7637), (392, 5455), (490, 4364), (980, 2182), (1091, 1960)]