1405250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1$

素因数の和:108

約数の個数: 64

約数和(自身を含む): 3324672

約数和(自身を除く): 1919422

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 73, 77, 110, 125, 146, 154, 175, 250, 275, 350, 365, 385, 511, 550, 730, 770, 803, 875, 1022, 1375, 1606, 1750, 1825, 1925, 2555, 2750, 3650, 3850, 4015, 5110, 5621, 8030, 9125, 9625, 11242, 12775, 18250, 19250, 20075, 25550, 28105, 40150, 56210, 63875, 100375, 127750, 140525, 200750, 281050, 702625, 1405250]

約数ペア:

[(1, 1405250), (2, 702625), (5, 281050), (7, 200750), (10, 140525), (11, 127750), (14, 100375), (22, 63875), (25, 56210), (35, 40150), (50, 28105), (55, 25550), (70, 20075), (73, 19250), (77, 18250), (110, 12775), (125, 11242), (146, 9625), (154, 9125), (175, 8030), (250, 5621), (275, 5110), (350, 4015), (365, 3850), (385, 3650), (511, 2750), (550, 2555), (730, 1925), (770, 1825), (803, 1750), (875, 1606), (1022, 1375)]