217290160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2137}}^1$

素因数の和:2222

約数の個数: 80

約数和(自身を含む): 534465792

約数和(自身を除く): 317175632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 2137, 2480, 2542, 3280, 4274, 5084, 6355, 8548, 10168, 10685, 12710, 17096, 20336, 21370, 25420, 34192, 42740, 50840, 66247, 85480, 87617, 101680, 132494, 170960, 175234, 264988, 331235, 350468, 438085, 529976, 662470, 700936, 876170, 1059952, 1324940, 1401872, 1752340, 2649880, 2716127, 3504680, 5299760, 5432254, 7009360, 10864508, 13580635, 21729016, 27161270, 43458032, 54322540, 108645080, 217290160]

約数ペア:

[(1, 217290160), (2, 108645080), (4, 54322540), (5, 43458032), (8, 27161270), (10, 21729016), (16, 13580635), (20, 10864508), (31, 7009360), (40, 5432254), (41, 5299760), (62, 3504680), (80, 2716127), (82, 2649880), (124, 1752340), (155, 1401872), (164, 1324940), (205, 1059952), (248, 876170), (310, 700936), (328, 662470), (410, 529976), (496, 438085), (620, 350468), (656, 331235), (820, 264988), (1240, 175234), (1271, 170960), (1640, 132494), (2137, 101680), (2480, 87617), (2542, 85480), (3280, 66247), (4274, 50840), (5084, 42740), (6355, 34192), (8548, 25420), (10168, 21370), (10685, 20336), (12710, 17096)]