635740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 1612800

約数和(自身を除く): 977060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 239, 266, 380, 478, 532, 665, 956, 1195, 1330, 1673, 2390, 2660, 3346, 4541, 4780, 6692, 8365, 9082, 16730, 18164, 22705, 31787, 33460, 45410, 63574, 90820, 127148, 158935, 317870, 635740]

約数ペア:

[(1, 635740), (2, 317870), (4, 158935), (5, 127148), (7, 90820), (10, 63574), (14, 45410), (19, 33460), (20, 31787), (28, 22705), (35, 18164), (38, 16730), (70, 9082), (76, 8365), (95, 6692), (133, 4780), (140, 4541), (190, 3346), (239, 2660), (266, 2390), (380, 1673), (478, 1330), (532, 1195), (665, 956)]