313804520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{148021}}^1$

素因数の和:148085

約数の個数: 32

約数和(自身を含む): 719386920

約数和(自身を除く): 405582400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 148021, 296042, 592084, 740105, 1184168, 1480210, 2960420, 5920840, 7845113, 15690226, 31380452, 39225565, 62760904, 78451130, 156902260, 313804520]

約数ペア:

[(1, 313804520), (2, 156902260), (4, 78451130), (5, 62760904), (8, 39225565), (10, 31380452), (20, 15690226), (40, 7845113), (53, 5920840), (106, 2960420), (212, 1480210), (265, 1184168), (424, 740105), (530, 592084), (1060, 296042), (2120, 148021)]