31269260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1597}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 72485280

約数和(自身を除く): 41216020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1597, 1780, 1958, 3194, 3916, 4895, 6388, 7985, 9790, 15970, 17567, 19580, 31940, 35134, 70268, 87835, 142133, 175670, 284266, 351340, 568532, 710665, 1421330, 1563463, 2842660, 3126926, 6253852, 7817315, 15634630, 31269260]

約数ペア:

[(1, 31269260), (2, 15634630), (4, 7817315), (5, 6253852), (10, 3126926), (11, 2842660), (20, 1563463), (22, 1421330), (44, 710665), (55, 568532), (89, 351340), (110, 284266), (178, 175670), (220, 142133), (356, 87835), (445, 70268), (890, 35134), (979, 31940), (1597, 19580), (1780, 17567), (1958, 15970), (3194, 9790), (3916, 7985), (4895, 6388)]