71689100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2179}}^1$

素因数の和:2247

約数の個数: 72

約数和(自身を含む): 181655040

約数和(自身を除く): 109965940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 329, 350, 470, 658, 700, 940, 1175, 1316, 1645, 2179, 2350, 3290, 4358, 4700, 6580, 8225, 8716, 10895, 15253, 16450, 21790, 30506, 32900, 43580, 54475, 61012, 76265, 102413, 108950, 152530, 204826, 217900, 305060, 381325, 409652, 512065, 716891, 762650, 1024130, 1433782, 1525300, 2048260, 2560325, 2867564, 3584455, 5120650, 7168910, 10241300, 14337820, 17922275, 35844550, 71689100]

約数ペア:

[(1, 71689100), (2, 35844550), (4, 17922275), (5, 14337820), (7, 10241300), (10, 7168910), (14, 5120650), (20, 3584455), (25, 2867564), (28, 2560325), (35, 2048260), (47, 1525300), (50, 1433782), (70, 1024130), (94, 762650), (100, 716891), (140, 512065), (175, 409652), (188, 381325), (235, 305060), (329, 217900), (350, 204826), (470, 152530), (658, 108950), (700, 102413), (940, 76265), (1175, 61012), (1316, 54475), (1645, 43580), (2179, 32900), (2350, 30506), (3290, 21790), (4358, 16450), (4700, 15253), (6580, 10895), (8225, 8716)]