280496680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{7297}}^1$

素因数の和:7370

約数の個数: 48

約数和(自身を含む): 652222260

約数和(自身を除く): 371725580

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 7297, 7688, 9610, 14594, 19220, 29188, 36485, 38440, 58376, 72970, 145940, 226207, 291880, 452414, 904828, 1131035, 1809656, 2262070, 4524140, 7012417, 9048280, 14024834, 28049668, 35062085, 56099336, 70124170, 140248340, 280496680]

約数ペア:

[(1, 280496680), (2, 140248340), (4, 70124170), (5, 56099336), (8, 35062085), (10, 28049668), (20, 14024834), (31, 9048280), (40, 7012417), (62, 4524140), (124, 2262070), (155, 1809656), (248, 1131035), (310, 904828), (620, 452414), (961, 291880), (1240, 226207), (1922, 145940), (3844, 72970), (4805, 58376), (7297, 38440), (7688, 36485), (9610, 29188), (14594, 19220)]