1380132400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{111301}}^1$

素因数の和:111350

約数の個数: 60

約数和(自身を含む): 3422759104

約数和(自身を除く): 2042626704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 111301, 222602, 445204, 556505, 890408, 1113010, 1780816, 2226020, 2782525, 3450331, 4452040, 5565050, 6900662, 8904080, 11130100, 13801324, 17251655, 22260200, 27602648, 34503310, 44520400, 55205296, 69006620, 86258275, 138013240, 172516550, 276026480, 345033100, 690066200, 1380132400]

約数ペア:

[(1, 1380132400), (2, 690066200), (4, 345033100), (5, 276026480), (8, 172516550), (10, 138013240), (16, 86258275), (20, 69006620), (25, 55205296), (31, 44520400), (40, 34503310), (50, 27602648), (62, 22260200), (80, 17251655), (100, 13801324), (124, 11130100), (155, 8904080), (200, 6900662), (248, 5565050), (310, 4452040), (400, 3450331), (496, 2782525), (620, 2226020), (775, 1780816), (1240, 1113010), (1550, 890408), (2480, 556505), (3100, 445204), (6200, 222602), (12400, 111301)]