81628400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{29153}}^1$

素因数の和:29178

約数の個数: 60

約数和(自身を含む): 224135952

約数和(自身を除く): 142507552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 29153, 58306, 116612, 145765, 204071, 233224, 291530, 408142, 466448, 583060, 728825, 816284, 1020355, 1166120, 1457650, 1632568, 2040710, 2332240, 2915300, 3265136, 4081420, 5101775, 5830600, 8162840, 10203550, 11661200, 16325680, 20407100, 40814200, 81628400]

約数ペア:

[(1, 81628400), (2, 40814200), (4, 20407100), (5, 16325680), (7, 11661200), (8, 10203550), (10, 8162840), (14, 5830600), (16, 5101775), (20, 4081420), (25, 3265136), (28, 2915300), (35, 2332240), (40, 2040710), (50, 1632568), (56, 1457650), (70, 1166120), (80, 1020355), (100, 816284), (112, 728825), (140, 583060), (175, 466448), (200, 408142), (280, 291530), (350, 233224), (400, 204071), (560, 145765), (700, 116612), (1400, 58306), (2800, 29153)]