8925980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 21665280

約数和(自身を除く): 12739300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 619, 721, 1030, 1238, 1442, 2060, 2476, 2884, 3095, 3605, 4333, 6190, 7210, 8666, 12380, 14420, 17332, 21665, 43330, 63757, 86660, 127514, 255028, 318785, 446299, 637570, 892598, 1275140, 1785196, 2231495, 4462990, 8925980]

約数ペア:

[(1, 8925980), (2, 4462990), (4, 2231495), (5, 1785196), (7, 1275140), (10, 892598), (14, 637570), (20, 446299), (28, 318785), (35, 255028), (70, 127514), (103, 86660), (140, 63757), (206, 43330), (412, 21665), (515, 17332), (619, 14420), (721, 12380), (1030, 8666), (1238, 7210), (1442, 6190), (2060, 4333), (2476, 3605), (2884, 3095)]