664566100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{4001}}^1$

素因数の和:4177

約数の個数: 72

約数和(自身を含む): 1584023616

約数和(自身を除く): 919457516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 151, 220, 275, 302, 550, 604, 755, 1100, 1510, 1661, 3020, 3322, 3775, 4001, 6644, 7550, 8002, 8305, 15100, 16004, 16610, 20005, 33220, 40010, 41525, 44011, 80020, 83050, 88022, 100025, 166100, 176044, 200050, 220055, 400100, 440110, 604151, 880220, 1100275, 1208302, 2200550, 2416604, 3020755, 4401100, 6041510, 6645661, 12083020, 13291322, 15103775, 26582644, 30207550, 33228305, 60415100, 66456610, 132913220, 166141525, 332283050, 664566100]

約数ペア:

[(1, 664566100), (2, 332283050), (4, 166141525), (5, 132913220), (10, 66456610), (11, 60415100), (20, 33228305), (22, 30207550), (25, 26582644), (44, 15103775), (50, 13291322), (55, 12083020), (100, 6645661), (110, 6041510), (151, 4401100), (220, 3020755), (275, 2416604), (302, 2200550), (550, 1208302), (604, 1100275), (755, 880220), (1100, 604151), (1510, 440110), (1661, 400100), (3020, 220055), (3322, 200050), (3775, 176044), (4001, 166100), (6644, 100025), (7550, 88022), (8002, 83050), (8305, 80020), (15100, 44011), (16004, 41525), (16610, 40010), (20005, 33220)]