74727880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 173502000

約数和(自身を除く): 98774120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 101, 106, 202, 212, 265, 349, 404, 424, 505, 530, 698, 808, 1010, 1060, 1396, 1745, 2020, 2120, 2792, 3490, 4040, 5353, 6980, 10706, 13960, 18497, 21412, 26765, 35249, 36994, 42824, 53530, 70498, 73988, 92485, 107060, 140996, 147976, 176245, 184970, 214120, 281992, 352490, 369940, 704980, 739880, 1409960, 1868197, 3736394, 7472788, 9340985, 14945576, 18681970, 37363940, 74727880]

約数ペア:

[(1, 74727880), (2, 37363940), (4, 18681970), (5, 14945576), (8, 9340985), (10, 7472788), (20, 3736394), (40, 1868197), (53, 1409960), (101, 739880), (106, 704980), (202, 369940), (212, 352490), (265, 281992), (349, 214120), (404, 184970), (424, 176245), (505, 147976), (530, 140996), (698, 107060), (808, 92485), (1010, 73988), (1060, 70498), (1396, 53530), (1745, 42824), (2020, 36994), (2120, 35249), (2792, 26765), (3490, 21412), (4040, 18497), (5353, 13960), (6980, 10706)]