77638420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1297}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 169435728

約数和(自身を除く): 91797308

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 292, 365, 410, 730, 820, 1297, 1460, 2594, 2993, 5188, 5986, 6485, 11972, 12970, 14965, 25940, 29930, 53177, 59860, 94681, 106354, 189362, 212708, 265885, 378724, 473405, 531770, 946810, 1063540, 1893620, 3881921, 7763842, 15527684, 19409605, 38819210, 77638420]

約数ペア:

[(1, 77638420), (2, 38819210), (4, 19409605), (5, 15527684), (10, 7763842), (20, 3881921), (41, 1893620), (73, 1063540), (82, 946810), (146, 531770), (164, 473405), (205, 378724), (292, 265885), (365, 212708), (410, 189362), (730, 106354), (820, 94681), (1297, 59860), (1460, 53177), (2594, 29930), (2993, 25940), (5188, 14965), (5986, 12970), (6485, 11972)]