263325770

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1\times {\mathrm{487}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 479606400

約数和(自身を除く): 216280630

約数列:

[1, 2, 5, 10, 139, 278, 389, 487, 695, 778, 974, 1390, 1945, 2435, 3890, 4870, 54071, 67693, 108142, 135386, 189443, 270355, 338465, 378886, 540710, 676930, 947215, 1894430, 26332577, 52665154, 131662885, 263325770]

約数ペア:

[(1, 263325770), (2, 131662885), (5, 52665154), (10, 26332577), (139, 1894430), (278, 947215), (389, 676930), (487, 540710), (695, 378886), (778, 338465), (974, 270355), (1390, 189443), (1945, 135386), (2435, 108142), (3890, 67693), (4870, 54071)]