87213500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 211184064

約数和(自身を除く): 123970564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 101, 110, 125, 157, 202, 220, 250, 275, 314, 404, 500, 505, 550, 628, 785, 1010, 1100, 1111, 1375, 1570, 1727, 2020, 2222, 2525, 2750, 3140, 3454, 3925, 4444, 5050, 5500, 5555, 6908, 7850, 8635, 10100, 11110, 12625, 15700, 15857, 17270, 19625, 22220, 25250, 27775, 31714, 34540, 39250, 43175, 50500, 55550, 63428, 78500, 79285, 86350, 111100, 138875, 158570, 172700, 174427, 215875, 277750, 317140, 348854, 396425, 431750, 555500, 697708, 792850, 863500, 872135, 1585700, 1744270, 1982125, 3488540, 3964250, 4360675, 7928500, 8721350, 17442700, 21803375, 43606750, 87213500]

約数ペア:

[(1, 87213500), (2, 43606750), (4, 21803375), (5, 17442700), (10, 8721350), (11, 7928500), (20, 4360675), (22, 3964250), (25, 3488540), (44, 1982125), (50, 1744270), (55, 1585700), (100, 872135), (101, 863500), (110, 792850), (125, 697708), (157, 555500), (202, 431750), (220, 396425), (250, 348854), (275, 317140), (314, 277750), (404, 215875), (500, 174427), (505, 172700), (550, 158570), (628, 138875), (785, 111100), (1010, 86350), (1100, 79285), (1111, 78500), (1375, 63428), (1570, 55550), (1727, 50500), (2020, 43175), (2222, 39250), (2525, 34540), (2750, 31714), (3140, 27775), (3454, 25250), (3925, 22220), (4444, 19625), (5050, 17270), (5500, 15857), (5555, 15700), (6908, 12625), (7850, 11110), (8635, 10100)]