256607180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{6679}}^1$

素因数の和:6818

約数の個数: 48

約数和(自身を含む): 575709120

約数和(自身を除く): 319101940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 340, 452, 565, 1130, 1921, 2260, 3842, 6679, 7684, 9605, 13358, 19210, 26716, 33395, 38420, 66790, 113543, 133580, 227086, 454172, 567715, 754727, 1135430, 1509454, 2270860, 3018908, 3773635, 7547270, 12830359, 15094540, 25660718, 51321436, 64151795, 128303590, 256607180]

約数ペア:

[(1, 256607180), (2, 128303590), (4, 64151795), (5, 51321436), (10, 25660718), (17, 15094540), (20, 12830359), (34, 7547270), (68, 3773635), (85, 3018908), (113, 2270860), (170, 1509454), (226, 1135430), (340, 754727), (452, 567715), (565, 454172), (1130, 227086), (1921, 133580), (2260, 113543), (3842, 66790), (6679, 38420), (7684, 33395), (9605, 26716), (13358, 19210)]