173998420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3221}}^1$

素因数の和:3340

約数の個数: 48

約数和(自身を含む): 380531088

約数和(自身を除く): 206532668

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 146, 148, 185, 292, 365, 370, 730, 740, 1460, 2701, 3221, 5402, 6442, 10804, 12884, 13505, 16105, 27010, 32210, 54020, 64420, 119177, 235133, 238354, 470266, 476708, 595885, 940532, 1175665, 1191770, 2351330, 2383540, 4702660, 8699921, 17399842, 34799684, 43499605, 86999210, 173998420]

約数ペア:

[(1, 173998420), (2, 86999210), (4, 43499605), (5, 34799684), (10, 17399842), (20, 8699921), (37, 4702660), (73, 2383540), (74, 2351330), (146, 1191770), (148, 1175665), (185, 940532), (292, 595885), (365, 476708), (370, 470266), (730, 238354), (740, 235133), (1460, 119177), (2701, 64420), (3221, 54020), (5402, 32210), (6442, 27010), (10804, 16105), (12884, 13505)]