351180400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:399

約数の個数: 120

約数和(自身を含む): 881721344

約数和(自身を除く): 530540944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 127, 155, 200, 223, 248, 254, 310, 400, 446, 496, 508, 620, 635, 775, 892, 1016, 1115, 1240, 1270, 1550, 1784, 2032, 2230, 2480, 2540, 3100, 3175, 3568, 3937, 4460, 5080, 5575, 6200, 6350, 6913, 7874, 8920, 10160, 11150, 12400, 12700, 13826, 15748, 17840, 19685, 22300, 25400, 27652, 28321, 31496, 34565, 39370, 44600, 50800, 55304, 56642, 62992, 69130, 78740, 89200, 98425, 110608, 113284, 138260, 141605, 157480, 172825, 196850, 226568, 276520, 283210, 314960, 345650, 393700, 453136, 553040, 566420, 691300, 708025, 787400, 877951, 1132840, 1382600, 1416050, 1574800, 1755902, 2265680, 2765200, 2832100, 3511804, 4389755, 5664200, 7023608, 8779510, 11328400, 14047216, 17559020, 21948775, 35118040, 43897550, 70236080, 87795100, 175590200, 351180400]

約数ペア:

[(1, 351180400), (2, 175590200), (4, 87795100), (5, 70236080), (8, 43897550), (10, 35118040), (16, 21948775), (20, 17559020), (25, 14047216), (31, 11328400), (40, 8779510), (50, 7023608), (62, 5664200), (80, 4389755), (100, 3511804), (124, 2832100), (127, 2765200), (155, 2265680), (200, 1755902), (223, 1574800), (248, 1416050), (254, 1382600), (310, 1132840), (400, 877951), (446, 787400), (496, 708025), (508, 691300), (620, 566420), (635, 553040), (775, 453136), (892, 393700), (1016, 345650), (1115, 314960), (1240, 283210), (1270, 276520), (1550, 226568), (1784, 196850), (2032, 172825), (2230, 157480), (2480, 141605), (2540, 138260), (3100, 113284), (3175, 110608), (3568, 98425), (3937, 89200), (4460, 78740), (5080, 69130), (5575, 62992), (6200, 56642), (6350, 55304), (6913, 50800), (7874, 44600), (8920, 39370), (10160, 34565), (11150, 31496), (12400, 28321), (12700, 27652), (13826, 25400), (15748, 22300), (17840, 19685)]