289051900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{28619}}^1$

素因数の和:28734

約数の個数: 36

約数和(自身を含む): 633475080

約数和(自身を除く): 344423180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2525, 5050, 10100, 28619, 57238, 114476, 143095, 286190, 572380, 715475, 1430950, 2861900, 2890519, 5781038, 11562076, 14452595, 28905190, 57810380, 72262975, 144525950, 289051900]

約数ペア:

[(1, 289051900), (2, 144525950), (4, 72262975), (5, 57810380), (10, 28905190), (20, 14452595), (25, 11562076), (50, 5781038), (100, 2890519), (101, 2861900), (202, 1430950), (404, 715475), (505, 572380), (1010, 286190), (2020, 143095), (2525, 114476), (5050, 57238), (10100, 28619)]