814796780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{65393}}^1$

素因数の和:65498

約数の個数: 48

約数和(自身を含む): 1977514560

約数和(自身を除く): 1162717780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 65393, 130786, 261572, 326965, 457751, 653930, 915502, 1307860, 1831004, 2288755, 4577510, 5819977, 9155020, 11639954, 23279908, 29099885, 40739839, 58199770, 81479678, 116399540, 162959356, 203699195, 407398390, 814796780]

約数ペア:

[(1, 814796780), (2, 407398390), (4, 203699195), (5, 162959356), (7, 116399540), (10, 81479678), (14, 58199770), (20, 40739839), (28, 29099885), (35, 23279908), (70, 11639954), (89, 9155020), (140, 5819977), (178, 4577510), (356, 2288755), (445, 1831004), (623, 1307860), (890, 915502), (1246, 653930), (1780, 457751), (2492, 326965), (3115, 261572), (6230, 130786), (12460, 65393)]