123649480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 287712000

約数和(自身を除く): 164062520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 89, 94, 178, 188, 235, 356, 376, 445, 470, 712, 739, 890, 940, 1478, 1780, 1880, 2956, 3560, 3695, 4183, 5912, 7390, 8366, 14780, 16732, 20915, 29560, 33464, 34733, 41830, 65771, 69466, 83660, 131542, 138932, 167320, 173665, 263084, 277864, 328855, 347330, 526168, 657710, 694660, 1315420, 1389320, 2630840, 3091237, 6182474, 12364948, 15456185, 24729896, 30912370, 61824740, 123649480]

約数ペア:

[(1, 123649480), (2, 61824740), (4, 30912370), (5, 24729896), (8, 15456185), (10, 12364948), (20, 6182474), (40, 3091237), (47, 2630840), (89, 1389320), (94, 1315420), (178, 694660), (188, 657710), (235, 526168), (356, 347330), (376, 328855), (445, 277864), (470, 263084), (712, 173665), (739, 167320), (890, 138932), (940, 131542), (1478, 83660), (1780, 69466), (1880, 65771), (2956, 41830), (3560, 34733), (3695, 33464), (4183, 29560), (5912, 20915), (7390, 16732), (8366, 14780)]