207976020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{495181}}^1$

素因数の和:495200

約数の個数: 48

約数和(自身を含む): 665524608

約数和(自身を除く): 457548588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 495181, 990362, 1485543, 1980724, 2475905, 2971086, 3466267, 4951810, 5942172, 6932534, 7427715, 9903620, 10398801, 13865068, 14855430, 17331335, 20797602, 29710860, 34662670, 41595204, 51994005, 69325340, 103988010, 207976020]

約数ペア:

[(1, 207976020), (2, 103988010), (3, 69325340), (4, 51994005), (5, 41595204), (6, 34662670), (7, 29710860), (10, 20797602), (12, 17331335), (14, 14855430), (15, 13865068), (20, 10398801), (21, 9903620), (28, 7427715), (30, 6932534), (35, 5942172), (42, 4951810), (60, 3466267), (70, 2971086), (84, 2475905), (105, 1980724), (140, 1485543), (210, 990362), (420, 495181)]