179431340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{1249}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 412020000

約数和(自身を除く): 232588660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 653, 1249, 1306, 2498, 2612, 3265, 4996, 6245, 6530, 7183, 12490, 13060, 13739, 14366, 24980, 27478, 28732, 35915, 54956, 68695, 71830, 137390, 143660, 274780, 815597, 1631194, 3262388, 4077985, 8155970, 8971567, 16311940, 17943134, 35886268, 44857835, 89715670, 179431340]

約数ペア:

[(1, 179431340), (2, 89715670), (4, 44857835), (5, 35886268), (10, 17943134), (11, 16311940), (20, 8971567), (22, 8155970), (44, 4077985), (55, 3262388), (110, 1631194), (220, 815597), (653, 274780), (1249, 143660), (1306, 137390), (2498, 71830), (2612, 68695), (3265, 54956), (4996, 35915), (6245, 28732), (6530, 27478), (7183, 24980), (12490, 14366), (13060, 13739)]