355540340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{1249}}^1$

素因数の和:1632

約数の個数: 48

約数和(自身を含む): 766920000

約数和(自身を除く): 411379660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 331, 430, 662, 860, 1249, 1324, 1655, 2498, 3310, 4996, 6245, 6620, 12490, 14233, 24980, 28466, 53707, 56932, 71165, 107414, 142330, 214828, 268535, 284660, 413419, 537070, 826838, 1074140, 1653676, 2067095, 4134190, 8268380, 17777017, 35554034, 71108068, 88885085, 177770170, 355540340]

約数ペア:

[(1, 355540340), (2, 177770170), (4, 88885085), (5, 71108068), (10, 35554034), (20, 17777017), (43, 8268380), (86, 4134190), (172, 2067095), (215, 1653676), (331, 1074140), (430, 826838), (662, 537070), (860, 413419), (1249, 284660), (1324, 268535), (1655, 214828), (2498, 142330), (3310, 107414), (4996, 71165), (6245, 56932), (6620, 53707), (12490, 28466), (14233, 24980)]