681964040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 1609732440

約数和(自身を除く): 927768400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 155, 157, 226, 248, 310, 314, 452, 565, 620, 628, 785, 904, 961, 1130, 1240, 1256, 1570, 1922, 2260, 3140, 3503, 3844, 4520, 4805, 4867, 6280, 7006, 7688, 9610, 9734, 14012, 17515, 17741, 19220, 19468, 24335, 28024, 35030, 35482, 38440, 38936, 48670, 70060, 70964, 88705, 97340, 108593, 140120, 141928, 150877, 177410, 194680, 217186, 301754, 354820, 434372, 542965, 549971, 603508, 709640, 754385, 868744, 1085930, 1099942, 1207016, 1508770, 2171860, 2199884, 2749855, 3017540, 4343720, 4399768, 5499710, 6035080, 10999420, 17049101, 21998840, 34098202, 68196404, 85245505, 136392808, 170491010, 340982020, 681964040]

約数ペア:

[(1, 681964040), (2, 340982020), (4, 170491010), (5, 136392808), (8, 85245505), (10, 68196404), (20, 34098202), (31, 21998840), (40, 17049101), (62, 10999420), (113, 6035080), (124, 5499710), (155, 4399768), (157, 4343720), (226, 3017540), (248, 2749855), (310, 2199884), (314, 2171860), (452, 1508770), (565, 1207016), (620, 1099942), (628, 1085930), (785, 868744), (904, 754385), (961, 709640), (1130, 603508), (1240, 549971), (1256, 542965), (1570, 434372), (1922, 354820), (2260, 301754), (3140, 217186), (3503, 194680), (3844, 177410), (4520, 150877), (4805, 141928), (4867, 140120), (6280, 108593), (7006, 97340), (7688, 88705), (9610, 70964), (9734, 70060), (14012, 48670), (17515, 38936), (17741, 38440), (19220, 35482), (19468, 35030), (24335, 28024)]