77357840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138139}}^1$

素因数の和:138159

約数の個数: 40

約数和(自身を含む): 205552320

約数和(自身を除く): 128194480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138139, 276278, 552556, 690695, 966973, 1105112, 1381390, 1933946, 2210224, 2762780, 3867892, 4834865, 5525560, 7735784, 9669730, 11051120, 15471568, 19339460, 38678920, 77357840]

約数ペア:

[(1, 77357840), (2, 38678920), (4, 19339460), (5, 15471568), (7, 11051120), (8, 9669730), (10, 7735784), (14, 5525560), (16, 4834865), (20, 3867892), (28, 2762780), (35, 2210224), (40, 1933946), (56, 1381390), (70, 1105112), (80, 966973), (112, 690695), (140, 552556), (280, 276278), (560, 138139)]