138879020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9631}}^1$

素因数の和:9750

約数の個数: 48

約数和(自身を含む): 336580608

約数和(自身を除く): 197701588

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, 9631, 14420, 19262, 38524, 48155, 67417, 96310, 134834, 192620, 269668, 337085, 674170, 991993, 1348340, 1983986, 3967972, 4959965, 6943951, 9919930, 13887902, 19839860, 27775804, 34719755, 69439510, 138879020]

約数ペア:

[(1, 138879020), (2, 69439510), (4, 34719755), (5, 27775804), (7, 19839860), (10, 13887902), (14, 9919930), (20, 6943951), (28, 4959965), (35, 3967972), (70, 1983986), (103, 1348340), (140, 991993), (206, 674170), (412, 337085), (515, 269668), (721, 192620), (1030, 134834), (1442, 96310), (2060, 67417), (2884, 48155), (3605, 38524), (7210, 19262), (9631, 14420)]