887740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 2261952

約数和(自身を除く): 1374212

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 373, 476, 595, 746, 1190, 1492, 1865, 2380, 2611, 3730, 5222, 6341, 7460, 10444, 12682, 13055, 25364, 26110, 31705, 44387, 52220, 63410, 88774, 126820, 177548, 221935, 443870, 887740]

約数ペア:

[(1, 887740), (2, 443870), (4, 221935), (5, 177548), (7, 126820), (10, 88774), (14, 63410), (17, 52220), (20, 44387), (28, 31705), (34, 26110), (35, 25364), (68, 13055), (70, 12682), (85, 10444), (119, 7460), (140, 6341), (170, 5222), (238, 3730), (340, 2611), (373, 2380), (476, 1865), (595, 1492), (746, 1190)]