897940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 2116800

約数和(自身を除く): 1218860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 139, 170, 190, 278, 323, 340, 380, 556, 646, 695, 1292, 1390, 1615, 2363, 2641, 2780, 3230, 4726, 5282, 6460, 9452, 10564, 11815, 13205, 23630, 26410, 44897, 47260, 52820, 89794, 179588, 224485, 448970, 897940]

約数ペア:

[(1, 897940), (2, 448970), (4, 224485), (5, 179588), (10, 89794), (17, 52820), (19, 47260), (20, 44897), (34, 26410), (38, 23630), (68, 13205), (76, 11815), (85, 10564), (95, 9452), (139, 6460), (170, 5282), (190, 4726), (278, 3230), (323, 2780), (340, 2641), (380, 2363), (556, 1615), (646, 1390), (695, 1292)]