7198340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{997}}^1$

素因数の和:1044

約数の個数: 36

約数和(自身を含む): 15969996

約数和(自身を除く): 8771656

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 997, 1444, 1805, 1994, 3610, 3988, 4985, 7220, 9970, 18943, 19940, 37886, 75772, 94715, 189430, 359917, 378860, 719834, 1439668, 1799585, 3599170, 7198340]

約数ペア:

[(1, 7198340), (2, 3599170), (4, 1799585), (5, 1439668), (10, 719834), (19, 378860), (20, 359917), (38, 189430), (76, 94715), (95, 75772), (190, 37886), (361, 19940), (380, 18943), (722, 9970), (997, 7220), (1444, 4985), (1805, 3988), (1994, 3610)]