204075760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{977}}^1$

素因数の和:1370

約数の個数: 80

約数和(自身を含む): 544268736

約数和(自身を除く): 340192976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 373, 560, 746, 977, 1492, 1865, 1954, 2611, 2984, 3730, 3908, 4885, 5222, 5968, 6839, 7460, 7816, 9770, 10444, 13055, 13678, 14920, 15632, 19540, 20888, 26110, 27356, 29840, 34195, 39080, 41776, 52220, 54712, 68390, 78160, 104440, 109424, 136780, 208880, 273560, 364421, 547120, 728842, 1457684, 1822105, 2550947, 2915368, 3644210, 5101894, 5830736, 7288420, 10203788, 12754735, 14576840, 20407576, 25509470, 29153680, 40815152, 51018940, 102037880, 204075760]

約数ペア:

[(1, 204075760), (2, 102037880), (4, 51018940), (5, 40815152), (7, 29153680), (8, 25509470), (10, 20407576), (14, 14576840), (16, 12754735), (20, 10203788), (28, 7288420), (35, 5830736), (40, 5101894), (56, 3644210), (70, 2915368), (80, 2550947), (112, 1822105), (140, 1457684), (280, 728842), (373, 547120), (560, 364421), (746, 273560), (977, 208880), (1492, 136780), (1865, 109424), (1954, 104440), (2611, 78160), (2984, 68390), (3730, 54712), (3908, 52220), (4885, 41776), (5222, 39080), (5968, 34195), (6839, 29840), (7460, 27356), (7816, 26110), (9770, 20888), (10444, 19540), (13055, 15632), (13678, 14920)]