1192820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 2735040

約数和(自身を除く): 1542220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 73, 76, 86, 95, 146, 172, 190, 215, 292, 365, 380, 430, 730, 817, 860, 1387, 1460, 1634, 2774, 3139, 3268, 4085, 5548, 6278, 6935, 8170, 12556, 13870, 15695, 16340, 27740, 31390, 59641, 62780, 119282, 238564, 298205, 596410, 1192820]

約数ペア:

[(1, 1192820), (2, 596410), (4, 298205), (5, 238564), (10, 119282), (19, 62780), (20, 59641), (38, 31390), (43, 27740), (73, 16340), (76, 15695), (86, 13870), (95, 12556), (146, 8170), (172, 6935), (190, 6278), (215, 5548), (292, 4085), (365, 3268), (380, 3139), (430, 2774), (730, 1634), (817, 1460), (860, 1387)]