1210121210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{80621}}^1$

素因数の和:80726

約数の個数: 32

約数和(自身を含む): 2321913600

約数和(自身を除く): 1111792390

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1501, 3002, 7505, 15010, 80621, 161242, 403105, 806210, 1531799, 3063598, 6369059, 7658995, 12738118, 15317990, 31845295, 63690590, 121012121, 242024242, 605060605, 1210121210]

約数ペア:

[(1, 1210121210), (2, 605060605), (5, 242024242), (10, 121012121), (19, 63690590), (38, 31845295), (79, 15317990), (95, 12738118), (158, 7658995), (190, 6369059), (395, 3063598), (790, 1531799), (1501, 806210), (3002, 403105), (7505, 161242), (15010, 80621)]