491359380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431017}}^1$

素因数の和:431048

約数の個数: 48

約数和(自身を含む): 1448220480

約数和(自身を除く): 956861100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 431017, 862034, 1293051, 1724068, 2155085, 2586102, 4310170, 5172204, 6465255, 8189323, 8620340, 12930510, 16378646, 24567969, 25861020, 32757292, 40946615, 49135938, 81893230, 98271876, 122839845, 163786460, 245679690, 491359380]

約数ペア:

[(1, 491359380), (2, 245679690), (3, 163786460), (4, 122839845), (5, 98271876), (6, 81893230), (10, 49135938), (12, 40946615), (15, 32757292), (19, 25861020), (20, 24567969), (30, 16378646), (38, 12930510), (57, 8620340), (60, 8189323), (76, 6465255), (95, 5172204), (114, 4310170), (190, 2586102), (228, 2155085), (285, 1724068), (380, 1293051), (570, 862034), (1140, 431017)]