320125965

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{2251}}^1$

素因数の和:2777

約数の個数: 32

約数和(自身を含む): 540480000

約数和(自身を除く): 220354035

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 499, 1497, 2251, 2495, 6753, 7485, 9481, 11255, 28443, 33765, 42769, 47405, 128307, 142215, 213845, 641535, 1123249, 3369747, 5616245, 16848735, 21341731, 64025193, 106708655, 320125965]

約数ペア:

[(1, 320125965), (3, 106708655), (5, 64025193), (15, 21341731), (19, 16848735), (57, 5616245), (95, 3369747), (285, 1123249), (499, 641535), (1497, 213845), (2251, 142215), (2495, 128307), (6753, 47405), (7485, 42769), (9481, 33765), (11255, 28443)]