4987640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 13132800

約数和(自身を除く): 8145160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 379, 470, 658, 758, 940, 1316, 1516, 1645, 1880, 1895, 2632, 2653, 3032, 3290, 3790, 5306, 6580, 7580, 10612, 13160, 13265, 15160, 17813, 21224, 26530, 35626, 53060, 71252, 89065, 106120, 124691, 142504, 178130, 249382, 356260, 498764, 623455, 712520, 997528, 1246910, 2493820, 4987640]

約数ペア:

[(1, 4987640), (2, 2493820), (4, 1246910), (5, 997528), (7, 712520), (8, 623455), (10, 498764), (14, 356260), (20, 249382), (28, 178130), (35, 142504), (40, 124691), (47, 106120), (56, 89065), (70, 71252), (94, 53060), (140, 35626), (188, 26530), (235, 21224), (280, 17813), (329, 15160), (376, 13265), (379, 13160), (470, 10612), (658, 7580), (758, 6580), (940, 5306), (1316, 3790), (1516, 3290), (1645, 3032), (1880, 2653), (1895, 2632)]