306698980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{21269}}^1$

素因数の和:21388

約数の個数: 48

約数和(自身を含む): 743258880

約数和(自身を除く): 436559900

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, 21269, 42538, 85076, 106345, 148883, 212690, 297766, 425380, 595532, 744415, 1488830, 2190707, 2977660, 4381414, 8762828, 10953535, 15334949, 21907070, 30669898, 43814140, 61339796, 76674745, 153349490, 306698980]

約数ペア:

[(1, 306698980), (2, 153349490), (4, 76674745), (5, 61339796), (7, 43814140), (10, 30669898), (14, 21907070), (20, 15334949), (28, 10953535), (35, 8762828), (70, 4381414), (103, 2977660), (140, 2190707), (206, 1488830), (412, 744415), (515, 595532), (721, 425380), (1030, 297766), (1442, 212690), (2060, 148883), (2884, 106345), (3605, 85076), (7210, 42538), (14420, 21269)]