28085010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 69638400

約数和(自身を除く): 41553390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 103, 122, 149, 183, 206, 298, 305, 309, 366, 447, 515, 610, 618, 745, 894, 915, 1030, 1490, 1545, 1830, 2235, 3090, 4470, 6283, 9089, 12566, 15347, 18178, 18849, 27267, 30694, 31415, 37698, 45445, 46041, 54534, 62830, 76735, 90890, 92082, 94245, 136335, 153470, 188490, 230205, 272670, 460410, 936167, 1872334, 2808501, 4680835, 5617002, 9361670, 14042505, 28085010]

約数ペア:

[(1, 28085010), (2, 14042505), (3, 9361670), (5, 5617002), (6, 4680835), (10, 2808501), (15, 1872334), (30, 936167), (61, 460410), (103, 272670), (122, 230205), (149, 188490), (183, 153470), (206, 136335), (298, 94245), (305, 92082), (309, 90890), (366, 76735), (447, 62830), (515, 54534), (610, 46041), (618, 45445), (745, 37698), (894, 31415), (915, 30694), (1030, 27267), (1490, 18849), (1545, 18178), (1830, 15347), (2235, 12566), (3090, 9089), (4470, 6283)]