68371340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 147100800

約数和(自身を除く): 78729460

約数列:

[1, 2, 4, 5, 10, 20, 79, 109, 158, 218, 316, 395, 397, 436, 545, 790, 794, 1090, 1580, 1588, 1985, 2180, 3970, 7940, 8611, 17222, 31363, 34444, 43055, 43273, 62726, 86110, 86546, 125452, 156815, 172220, 173092, 216365, 313630, 432730, 627260, 865460, 3418567, 6837134, 13674268, 17092835, 34185670, 68371340]

約数ペア:

[(1, 68371340), (2, 34185670), (4, 17092835), (5, 13674268), (10, 6837134), (20, 3418567), (79, 865460), (109, 627260), (158, 432730), (218, 313630), (316, 216365), (395, 173092), (397, 172220), (436, 156815), (545, 125452), (790, 86546), (794, 86110), (1090, 62726), (1580, 43273), (1588, 43055), (1985, 34444), (2180, 31363), (3970, 17222), (7940, 8611)]