305608240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1487}}^1$

素因数の和:1874

約数の個数: 80

約数和(自身を含む): 814804992

約数和(自身を除く): 509196752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 367, 560, 734, 1468, 1487, 1835, 2569, 2936, 2974, 3670, 5138, 5872, 5948, 7340, 7435, 10276, 10409, 11896, 12845, 14680, 14870, 20552, 20818, 23792, 25690, 29360, 29740, 41104, 41636, 51380, 52045, 59480, 83272, 102760, 104090, 118960, 166544, 205520, 208180, 416360, 545729, 832720, 1091458, 2182916, 2728645, 3820103, 4365832, 5457290, 7640206, 8731664, 10914580, 15280412, 19100515, 21829160, 30560824, 38201030, 43658320, 61121648, 76402060, 152804120, 305608240]

約数ペア:

[(1, 305608240), (2, 152804120), (4, 76402060), (5, 61121648), (7, 43658320), (8, 38201030), (10, 30560824), (14, 21829160), (16, 19100515), (20, 15280412), (28, 10914580), (35, 8731664), (40, 7640206), (56, 5457290), (70, 4365832), (80, 3820103), (112, 2728645), (140, 2182916), (280, 1091458), (367, 832720), (560, 545729), (734, 416360), (1468, 208180), (1487, 205520), (1835, 166544), (2569, 118960), (2936, 104090), (2974, 102760), (3670, 83272), (5138, 59480), (5872, 52045), (5948, 51380), (7340, 41636), (7435, 41104), (10276, 29740), (10409, 29360), (11896, 25690), (12845, 23792), (14680, 20818), (14870, 20552)]