199976420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{26951}}^1$

素因数の和:27020

約数の個数: 48

約数和(自身を含む): 489017088

約数和(自身を除く): 289040668

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, 7420, 26951, 53902, 107804, 134755, 188657, 269510, 377314, 539020, 754628, 943285, 1428403, 1886570, 2856806, 3773140, 5713612, 7142015, 9998821, 14284030, 19997642, 28568060, 39995284, 49994105, 99988210, 199976420]

約数ペア:

[(1, 199976420), (2, 99988210), (4, 49994105), (5, 39995284), (7, 28568060), (10, 19997642), (14, 14284030), (20, 9998821), (28, 7142015), (35, 5713612), (53, 3773140), (70, 2856806), (106, 1886570), (140, 1428403), (212, 943285), (265, 754628), (371, 539020), (530, 377314), (742, 269510), (1060, 188657), (1484, 134755), (1855, 107804), (3710, 53902), (7420, 26951)]