210364420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28351}}^1$

素因数の和:28420

約数の個数: 48

約数和(自身を含む): 514418688

約数和(自身を除く): 304054268

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, 28351, 56702, 113404, 141755, 198457, 283510, 396914, 567020, 793828, 992285, 1502603, 1984570, 3005206, 3969140, 6010412, 7513015, 10518221, 15026030, 21036442, 30052060, 42072884, 52591105, 105182210, 210364420]

約数ペア:

[(1, 210364420), (2, 105182210), (4, 52591105), (5, 42072884), (7, 30052060), (10, 21036442), (14, 15026030), (20, 10518221), (28, 7513015), (35, 6010412), (53, 3969140), (70, 3005206), (106, 1984570), (140, 1502603), (212, 992285), (265, 793828), (371, 567020), (530, 396914), (742, 283510), (1060, 198457), (1484, 141755), (1855, 113404), (3710, 56702), (7420, 28351)]