8621900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 21769440

約数和(自身を除く): 13147540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 109, 113, 140, 175, 218, 226, 350, 436, 452, 545, 565, 700, 763, 791, 1090, 1130, 1526, 1582, 2180, 2260, 2725, 2825, 3052, 3164, 3815, 3955, 5450, 5650, 7630, 7910, 10900, 11300, 12317, 15260, 15820, 19075, 19775, 24634, 38150, 39550, 49268, 61585, 76300, 79100, 86219, 123170, 172438, 246340, 307925, 344876, 431095, 615850, 862190, 1231700, 1724380, 2155475, 4310950, 8621900]

約数ペア:

[(1, 8621900), (2, 4310950), (4, 2155475), (5, 1724380), (7, 1231700), (10, 862190), (14, 615850), (20, 431095), (25, 344876), (28, 307925), (35, 246340), (50, 172438), (70, 123170), (100, 86219), (109, 79100), (113, 76300), (140, 61585), (175, 49268), (218, 39550), (226, 38150), (350, 24634), (436, 19775), (452, 19075), (545, 15820), (565, 15260), (700, 12317), (763, 11300), (791, 10900), (1090, 7910), (1130, 7630), (1526, 5650), (1582, 5450), (2180, 3955), (2260, 3815), (2725, 3164), (2825, 3052)]