394502830

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1\times {\mathrm{977}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 718243200

約数和(自身を除く): 323740370

約数列:

[1, 2, 5, 10, 149, 271, 298, 542, 745, 977, 1355, 1490, 1954, 2710, 4885, 9770, 40379, 80758, 145573, 201895, 264767, 291146, 403790, 529534, 727865, 1323835, 1455730, 2647670, 39450283, 78900566, 197251415, 394502830]

約数ペア:

[(1, 394502830), (2, 197251415), (5, 78900566), (10, 39450283), (149, 2647670), (271, 1455730), (298, 1323835), (542, 727865), (745, 529534), (977, 403790), (1355, 291146), (1490, 264767), (1954, 201895), (2710, 145573), (4885, 80758), (9770, 40379)]