253840580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{37003}}^1$

素因数の和:37033

約数の個数: 48

約数和(自身を含む): 621667200

約数和(自身を除く): 367826620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 37003, 74006, 148012, 185015, 259021, 370030, 518042, 740060, 1036084, 1295105, 1813147, 2590210, 3626294, 5180420, 7252588, 9065735, 12692029, 18131470, 25384058, 36262940, 50768116, 63460145, 126920290, 253840580]

約数ペア:

[(1, 253840580), (2, 126920290), (4, 63460145), (5, 50768116), (7, 36262940), (10, 25384058), (14, 18131470), (20, 12692029), (28, 9065735), (35, 7252588), (49, 5180420), (70, 3626294), (98, 2590210), (140, 1813147), (196, 1295105), (245, 1036084), (343, 740060), (490, 518042), (686, 370030), (980, 259021), (1372, 185015), (1715, 148012), (3430, 74006), (6860, 37003)]