4356890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 8622720

約数和(自身を除く): 4265830

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 997, 1994, 2185, 4370, 4985, 9970, 18943, 22931, 37886, 45862, 94715, 114655, 189430, 229310, 435689, 871378, 2178445, 4356890]

約数ペア:

[(1, 4356890), (2, 2178445), (5, 871378), (10, 435689), (19, 229310), (23, 189430), (38, 114655), (46, 94715), (95, 45862), (115, 37886), (190, 22931), (230, 18943), (437, 9970), (874, 4985), (997, 4370), (1994, 2185)]