2480380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2531}}^1$

素因数の和:2554

約数の個数: 36

約数和(自身を含む): 6061608

約数和(自身を除く): 3581228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2531, 5062, 10124, 12655, 17717, 25310, 35434, 50620, 70868, 88585, 124019, 177170, 248038, 354340, 496076, 620095, 1240190, 2480380]

約数ペア:

[(1, 2480380), (2, 1240190), (4, 620095), (5, 496076), (7, 354340), (10, 248038), (14, 177170), (20, 124019), (28, 88585), (35, 70868), (49, 50620), (70, 35434), (98, 25310), (140, 17717), (196, 12655), (245, 10124), (490, 5062), (980, 2531)]