51980110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^2$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 115639776

約数和(自身を除く): 63659666

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 239, 455, 478, 910, 1195, 1673, 2390, 3107, 3346, 6214, 8365, 15535, 16730, 21749, 31070, 43498, 57121, 108745, 114242, 217490, 285605, 399847, 571210, 742573, 799694, 1485146, 1999235, 3712865, 3998470, 5198011, 7425730, 10396022, 25990055, 51980110]

約数ペア:

[(1, 51980110), (2, 25990055), (5, 10396022), (7, 7425730), (10, 5198011), (13, 3998470), (14, 3712865), (26, 1999235), (35, 1485146), (65, 799694), (70, 742573), (91, 571210), (130, 399847), (182, 285605), (239, 217490), (455, 114242), (478, 108745), (910, 57121), (1195, 43498), (1673, 31070), (2390, 21749), (3107, 16730), (3346, 15535), (6214, 8365)]