68851000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2273

約数の個数: 64

約数和(自身を含む): 166383360

約数和(自身を除く): 97532360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 775, 1000, 1240, 1550, 2221, 3100, 3875, 4442, 6200, 7750, 8884, 11105, 15500, 17768, 22210, 31000, 44420, 55525, 68851, 88840, 111050, 137702, 222100, 275404, 277625, 344255, 444200, 550808, 555250, 688510, 1110500, 1377020, 1721275, 2221000, 2754040, 3442550, 6885100, 8606375, 13770200, 17212750, 34425500, 68851000]

約数ペア:

[(1, 68851000), (2, 34425500), (4, 17212750), (5, 13770200), (8, 8606375), (10, 6885100), (20, 3442550), (25, 2754040), (31, 2221000), (40, 1721275), (50, 1377020), (62, 1110500), (100, 688510), (124, 555250), (125, 550808), (155, 444200), (200, 344255), (248, 277625), (250, 275404), (310, 222100), (500, 137702), (620, 111050), (775, 88840), (1000, 68851), (1240, 55525), (1550, 44420), (2221, 31000), (3100, 22210), (3875, 17768), (4442, 15500), (6200, 11105), (7750, 8884)]