378140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 944832

約数和(自身を除く): 566692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 73, 74, 140, 146, 148, 185, 259, 292, 365, 370, 511, 518, 730, 740, 1022, 1036, 1295, 1460, 2044, 2555, 2590, 2701, 5110, 5180, 5402, 10220, 10804, 13505, 18907, 27010, 37814, 54020, 75628, 94535, 189070, 378140]

約数ペア:

[(1, 378140), (2, 189070), (4, 94535), (5, 75628), (7, 54020), (10, 37814), (14, 27010), (20, 18907), (28, 13505), (35, 10804), (37, 10220), (70, 5402), (73, 5180), (74, 5110), (140, 2701), (146, 2590), (148, 2555), (185, 2044), (259, 1460), (292, 1295), (365, 1036), (370, 1022), (511, 740), (518, 730)]