4199380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 9535680

約数和(自身を除く): 5336300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 257, 380, 430, 514, 817, 860, 1028, 1285, 1634, 2570, 3268, 4085, 4883, 5140, 8170, 9766, 11051, 16340, 19532, 22102, 24415, 44204, 48830, 55255, 97660, 110510, 209969, 221020, 419938, 839876, 1049845, 2099690, 4199380]

約数ペア:

[(1, 4199380), (2, 2099690), (4, 1049845), (5, 839876), (10, 419938), (19, 221020), (20, 209969), (38, 110510), (43, 97660), (76, 55255), (86, 48830), (95, 44204), (172, 24415), (190, 22102), (215, 19532), (257, 16340), (380, 11051), (430, 9766), (514, 8170), (817, 5140), (860, 4883), (1028, 4085), (1285, 3268), (1634, 2570)]