210949100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2237}}^1$

素因数の和:2315

約数の個数: 72

約数和(自身を含む): 489531168

約数和(自身を除く): 278582068

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 164, 205, 230, 410, 460, 575, 820, 943, 1025, 1150, 1886, 2050, 2237, 2300, 3772, 4100, 4474, 4715, 8948, 9430, 11185, 18860, 22370, 23575, 44740, 47150, 51451, 55925, 91717, 94300, 102902, 111850, 183434, 205804, 223700, 257255, 366868, 458585, 514510, 917170, 1029020, 1286275, 1834340, 2109491, 2292925, 2572550, 4218982, 4585850, 5145100, 8437964, 9171700, 10547455, 21094910, 42189820, 52737275, 105474550, 210949100]

約数ペア:

[(1, 210949100), (2, 105474550), (4, 52737275), (5, 42189820), (10, 21094910), (20, 10547455), (23, 9171700), (25, 8437964), (41, 5145100), (46, 4585850), (50, 4218982), (82, 2572550), (92, 2292925), (100, 2109491), (115, 1834340), (164, 1286275), (205, 1029020), (230, 917170), (410, 514510), (460, 458585), (575, 366868), (820, 257255), (943, 223700), (1025, 205804), (1150, 183434), (1886, 111850), (2050, 102902), (2237, 94300), (2300, 91717), (3772, 55925), (4100, 51451), (4474, 47150), (4715, 44740), (8948, 23575), (9430, 22370), (11185, 18860)]