403548580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{1297}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 868766976

約数和(自身を除く): 465218396

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 331, 470, 662, 940, 1297, 1324, 1655, 2594, 3310, 5188, 6485, 6620, 12970, 15557, 25940, 31114, 60959, 62228, 77785, 121918, 155570, 243836, 304795, 311140, 429307, 609590, 858614, 1219180, 1717228, 2146535, 4293070, 8586140, 20177429, 40354858, 80709716, 100887145, 201774290, 403548580]

約数ペア:

[(1, 403548580), (2, 201774290), (4, 100887145), (5, 80709716), (10, 40354858), (20, 20177429), (47, 8586140), (94, 4293070), (188, 2146535), (235, 1717228), (331, 1219180), (470, 858614), (662, 609590), (940, 429307), (1297, 311140), (1324, 304795), (1655, 243836), (2594, 155570), (3310, 121918), (5188, 77785), (6485, 62228), (6620, 60959), (12970, 31114), (15557, 25940)]