66447700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2083}}^1$

素因数の和:2137

約数の個数: 72

約数和(自身を含む): 162802080

約数和(自身を除く): 96354380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1450, 1595, 2083, 2900, 3190, 4166, 6380, 7975, 8332, 10415, 15950, 20830, 22913, 31900, 41660, 45826, 52075, 60407, 91652, 104150, 114565, 120814, 208300, 229130, 241628, 302035, 458260, 572825, 604070, 664477, 1145650, 1208140, 1328954, 1510175, 2291300, 2657908, 3020350, 3322385, 6040700, 6644770, 13289540, 16611925, 33223850, 66447700]

約数ペア:

[(1, 66447700), (2, 33223850), (4, 16611925), (5, 13289540), (10, 6644770), (11, 6040700), (20, 3322385), (22, 3020350), (25, 2657908), (29, 2291300), (44, 1510175), (50, 1328954), (55, 1208140), (58, 1145650), (100, 664477), (110, 604070), (116, 572825), (145, 458260), (220, 302035), (275, 241628), (290, 229130), (319, 208300), (550, 120814), (580, 114565), (638, 104150), (725, 91652), (1100, 60407), (1276, 52075), (1450, 45826), (1595, 41660), (2083, 31900), (2900, 22913), (3190, 20830), (4166, 15950), (6380, 10415), (7975, 8332)]