813307550

素因数分解:

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

素因数の和:168

約数の個数: 72

約数和(自身を含む): 1680501816

約数和(自身を除く): 867194266

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 101, 110, 121, 202, 242, 275, 505, 550, 605, 1010, 1111, 1210, 1331, 2222, 2525, 2662, 3025, 5050, 5555, 6050, 6655, 11110, 12221, 13310, 14641, 24442, 27775, 29282, 33275, 55550, 61105, 66550, 73205, 122210, 134431, 146410, 161051, 268862, 305525, 322102, 366025, 611050, 672155, 732050, 805255, 1344310, 1478741, 1610510, 2957482, 3360775, 4026275, 6721550, 7393705, 8052550, 14787410, 16266151, 32532302, 36968525, 73937050, 81330755, 162661510, 406653775, 813307550]

約数ペア:

[(1, 813307550), (2, 406653775), (5, 162661510), (10, 81330755), (11, 73937050), (22, 36968525), (25, 32532302), (50, 16266151), (55, 14787410), (101, 8052550), (110, 7393705), (121, 6721550), (202, 4026275), (242, 3360775), (275, 2957482), (505, 1610510), (550, 1478741), (605, 1344310), (1010, 805255), (1111, 732050), (1210, 672155), (1331, 611050), (2222, 366025), (2525, 322102), (2662, 305525), (3025, 268862), (5050, 161051), (5555, 146410), (6050, 134431), (6655, 122210), (11110, 73205), (12221, 66550), (13310, 61105), (14641, 55550), (24442, 33275), (27775, 29282)]