204435440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12227}}^1$

素因数の和:12270

約数の個数: 80

約数和(自身を含む): 545857920

約数和(自身を除く): 341422480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 12227, 16720, 24454, 48908, 61135, 97816, 122270, 134497, 195632, 232313, 244540, 268994, 464626, 489080, 537988, 672485, 929252, 978160, 1075976, 1161565, 1344970, 1858504, 2151952, 2323130, 2555443, 2689940, 3717008, 4646260, 5110886, 5379880, 9292520, 10221772, 10759760, 12777215, 18585040, 20443544, 25554430, 40887088, 51108860, 102217720, 204435440]

約数ペア:

[(1, 204435440), (2, 102217720), (4, 51108860), (5, 40887088), (8, 25554430), (10, 20443544), (11, 18585040), (16, 12777215), (19, 10759760), (20, 10221772), (22, 9292520), (38, 5379880), (40, 5110886), (44, 4646260), (55, 3717008), (76, 2689940), (80, 2555443), (88, 2323130), (95, 2151952), (110, 1858504), (152, 1344970), (176, 1161565), (190, 1075976), (209, 978160), (220, 929252), (304, 672485), (380, 537988), (418, 489080), (440, 464626), (760, 268994), (836, 244540), (880, 232313), (1045, 195632), (1520, 134497), (1672, 122270), (2090, 97816), (3344, 61135), (4180, 48908), (8360, 24454), (12227, 16720)]