198770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 423360

約数和(自身を除く): 224590

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 139, 143, 278, 286, 695, 715, 1390, 1430, 1529, 1807, 3058, 3614, 7645, 9035, 15290, 18070, 19877, 39754, 99385, 198770]

約数ペア:

[(1, 198770), (2, 99385), (5, 39754), (10, 19877), (11, 18070), (13, 15290), (22, 9035), (26, 7645), (55, 3614), (65, 3058), (110, 1807), (130, 1529), (139, 1430), (143, 1390), (278, 715), (286, 695)]