7138420

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1481}}^1$

素因数の和:1731

約数の個数: 24

約数和(自身を含む): 15063048

約数和(自身を除く): 7924628

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 1481, 2410, 2962, 4820, 5924, 7405, 14810, 29620, 356921, 713842, 1427684, 1784605, 3569210, 7138420]

約数ペア:

[(1, 7138420), (2, 3569210), (4, 1784605), (5, 1427684), (10, 713842), (20, 356921), (241, 29620), (482, 14810), (964, 7405), (1205, 5924), (1481, 4820), (2410, 2962)]