1444502440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{4397}}^1$

素因数の和:4642

約数の個数: 64

約数和(自身を含む): 3343887360

約数和(自身を除く): 1899384920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 191, 215, 344, 382, 430, 764, 860, 955, 1528, 1720, 1910, 3820, 4397, 7640, 8213, 8794, 16426, 17588, 21985, 32852, 35176, 41065, 43970, 65704, 82130, 87940, 164260, 175880, 189071, 328520, 378142, 756284, 839827, 945355, 1512568, 1679654, 1890710, 3359308, 3781420, 4199135, 6718616, 7562840, 8398270, 16796540, 33593080, 36112561, 72225122, 144450244, 180562805, 288900488, 361125610, 722251220, 1444502440]

約数ペア:

[(1, 1444502440), (2, 722251220), (4, 361125610), (5, 288900488), (8, 180562805), (10, 144450244), (20, 72225122), (40, 36112561), (43, 33593080), (86, 16796540), (172, 8398270), (191, 7562840), (215, 6718616), (344, 4199135), (382, 3781420), (430, 3359308), (764, 1890710), (860, 1679654), (955, 1512568), (1528, 945355), (1720, 839827), (1910, 756284), (3820, 378142), (4397, 328520), (7640, 189071), (8213, 175880), (8794, 164260), (16426, 87940), (17588, 82130), (21985, 65704), (32852, 43970), (35176, 41065)]