508700720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1187}}^1$

素因数の和:1698

約数の個数: 80

約数和(自身を含む): 1293988608

約数和(自身を除く): 785287888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 487, 880, 974, 1187, 1948, 2374, 2435, 3896, 4748, 4870, 5357, 5935, 7792, 9496, 9740, 10714, 11870, 13057, 18992, 19480, 21428, 23740, 26114, 26785, 38960, 42856, 47480, 52228, 53570, 65285, 85712, 94960, 104456, 107140, 130570, 208912, 214280, 261140, 428560, 522280, 578069, 1044560, 1156138, 2312276, 2890345, 4624552, 5780690, 6358759, 9249104, 11561380, 12717518, 23122760, 25435036, 31793795, 46245520, 50870072, 63587590, 101740144, 127175180, 254350360, 508700720]

約数ペア:

[(1, 508700720), (2, 254350360), (4, 127175180), (5, 101740144), (8, 63587590), (10, 50870072), (11, 46245520), (16, 31793795), (20, 25435036), (22, 23122760), (40, 12717518), (44, 11561380), (55, 9249104), (80, 6358759), (88, 5780690), (110, 4624552), (176, 2890345), (220, 2312276), (440, 1156138), (487, 1044560), (880, 578069), (974, 522280), (1187, 428560), (1948, 261140), (2374, 214280), (2435, 208912), (3896, 130570), (4748, 107140), (4870, 104456), (5357, 94960), (5935, 85712), (7792, 65285), (9496, 53570), (9740, 52228), (10714, 47480), (11870, 42856), (13057, 38960), (18992, 26785), (19480, 26114), (21428, 23740)]