1330404880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{339389}}^1$

素因数の和:339416

約数の個数: 60

約数和(自身を含む): 3598212780

約数和(自身を除く): 2267807900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 339389, 678778, 1357556, 1696945, 2375723, 2715112, 3393890, 4751446, 5430224, 6787780, 9502892, 11878615, 13575560, 16630061, 19005784, 23757230, 27151120, 33260122, 38011568, 47514460, 66520244, 83150305, 95028920, 133040488, 166300610, 190057840, 266080976, 332601220, 665202440, 1330404880]

約数ペア:

[(1, 1330404880), (2, 665202440), (4, 332601220), (5, 266080976), (7, 190057840), (8, 166300610), (10, 133040488), (14, 95028920), (16, 83150305), (20, 66520244), (28, 47514460), (35, 38011568), (40, 33260122), (49, 27151120), (56, 23757230), (70, 19005784), (80, 16630061), (98, 13575560), (112, 11878615), (140, 9502892), (196, 6787780), (245, 5430224), (280, 4751446), (392, 3393890), (490, 2715112), (560, 2375723), (784, 1696945), (980, 1357556), (1960, 678778), (3920, 339389)]