31304980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4219}}^1$

素因数の和:4288

約数の個数: 48

約数和(自身を含む): 76567680

約数和(自身を除く): 45262700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 4219, 7420, 8438, 16876, 21095, 29533, 42190, 59066, 84380, 118132, 147665, 223607, 295330, 447214, 590660, 894428, 1118035, 1565249, 2236070, 3130498, 4472140, 6260996, 7826245, 15652490, 31304980]

約数ペア:

[(1, 31304980), (2, 15652490), (4, 7826245), (5, 6260996), (7, 4472140), (10, 3130498), (14, 2236070), (20, 1565249), (28, 1118035), (35, 894428), (53, 590660), (70, 447214), (106, 295330), (140, 223607), (212, 147665), (265, 118132), (371, 84380), (530, 59066), (742, 42190), (1060, 29533), (1484, 21095), (1855, 16876), (3710, 8438), (4219, 7420)]