29840020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{30449}}^1$

素因数の和:30472

約数の個数: 36

約数和(自身を含む): 72897300

約数和(自身を除く): 43057280

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 30449, 60898, 121796, 152245, 213143, 304490, 426286, 608980, 852572, 1065715, 1492001, 2131430, 2984002, 4262860, 5968004, 7460005, 14920010, 29840020]

約数ペア:

[(1, 29840020), (2, 14920010), (4, 7460005), (5, 5968004), (7, 4262860), (10, 2984002), (14, 2131430), (20, 1492001), (28, 1065715), (35, 852572), (49, 608980), (70, 426286), (98, 304490), (140, 213143), (196, 152245), (245, 121796), (490, 60898), (980, 30449)]