340982020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 751208472

約数和(自身を除く): 410226452

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 155, 157, 226, 310, 314, 452, 565, 620, 628, 785, 961, 1130, 1570, 1922, 2260, 3140, 3503, 3844, 4805, 4867, 7006, 9610, 9734, 14012, 17515, 17741, 19220, 19468, 24335, 35030, 35482, 48670, 70060, 70964, 88705, 97340, 108593, 150877, 177410, 217186, 301754, 354820, 434372, 542965, 549971, 603508, 754385, 1085930, 1099942, 1508770, 2171860, 2199884, 2749855, 3017540, 5499710, 10999420, 17049101, 34098202, 68196404, 85245505, 170491010, 340982020]

約数ペア:

[(1, 340982020), (2, 170491010), (4, 85245505), (5, 68196404), (10, 34098202), (20, 17049101), (31, 10999420), (62, 5499710), (113, 3017540), (124, 2749855), (155, 2199884), (157, 2171860), (226, 1508770), (310, 1099942), (314, 1085930), (452, 754385), (565, 603508), (620, 549971), (628, 542965), (785, 434372), (961, 354820), (1130, 301754), (1570, 217186), (1922, 177410), (2260, 150877), (3140, 108593), (3503, 97340), (3844, 88705), (4805, 70964), (4867, 70060), (7006, 48670), (9610, 35482), (9734, 35030), (14012, 24335), (17515, 19468), (17741, 19220)]