1020488980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{70769}}^1$

素因数の和:70888

約数の個数: 48

約数和(自身を含む): 2472986880

約数和(自身を除く): 1452497900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 70769, 141538, 283076, 353845, 495383, 707690, 990766, 1415380, 1981532, 2476915, 4953830, 7289207, 9907660, 14578414, 29156828, 36446035, 51024449, 72892070, 102048898, 145784140, 204097796, 255122245, 510244490, 1020488980]

約数ペア:

[(1, 1020488980), (2, 510244490), (4, 255122245), (5, 204097796), (7, 145784140), (10, 102048898), (14, 72892070), (20, 51024449), (28, 36446035), (35, 29156828), (70, 14578414), (103, 9907660), (140, 7289207), (206, 4953830), (412, 2476915), (515, 1981532), (721, 1415380), (1030, 990766), (1442, 707690), (2060, 495383), (2884, 353845), (3605, 283076), (7210, 141538), (14420, 70769)]