320131420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4339}}^1$

素因数の和:4403

約数の個数: 96

約数和(自身を含む): 839946240

約数和(自身を除く): 519814820

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 62, 68, 70, 85, 119, 124, 140, 155, 170, 217, 238, 310, 340, 434, 476, 527, 595, 620, 868, 1054, 1085, 1190, 2108, 2170, 2380, 2635, 3689, 4339, 4340, 5270, 7378, 8678, 10540, 14756, 17356, 18445, 21695, 30373, 36890, 43390, 60746, 73763, 73780, 86780, 121492, 134509, 147526, 151865, 269018, 295052, 303730, 368815, 516341, 538036, 607460, 672545, 737630, 941563, 1032682, 1345090, 1475260, 1883126, 2065364, 2286653, 2581705, 2690180, 3766252, 4573306, 4707815, 5163410, 9146612, 9415630, 10326820, 11433265, 16006571, 18831260, 22866530, 32013142, 45733060, 64026284, 80032855, 160065710, 320131420]

約数ペア:

[(1, 320131420), (2, 160065710), (4, 80032855), (5, 64026284), (7, 45733060), (10, 32013142), (14, 22866530), (17, 18831260), (20, 16006571), (28, 11433265), (31, 10326820), (34, 9415630), (35, 9146612), (62, 5163410), (68, 4707815), (70, 4573306), (85, 3766252), (119, 2690180), (124, 2581705), (140, 2286653), (155, 2065364), (170, 1883126), (217, 1475260), (238, 1345090), (310, 1032682), (340, 941563), (434, 737630), (476, 672545), (527, 607460), (595, 538036), (620, 516341), (868, 368815), (1054, 303730), (1085, 295052), (1190, 269018), (2108, 151865), (2170, 147526), (2380, 134509), (2635, 121492), (3689, 86780), (4339, 73780), (4340, 73763), (5270, 60746), (7378, 43390), (8678, 36890), (10540, 30373), (14756, 21695), (17356, 18445)]