971881020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{490849}}^1$

素因数の和:490875

約数の個数: 72

約数和(自身を含む): 3216049200

約数和(自身を除く): 2244168180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 490849, 981698, 1472547, 1963396, 2454245, 2945094, 4417641, 4908490, 5399339, 5890188, 7362735, 8835282, 9816980, 10798678, 14725470, 16198017, 17670564, 21597356, 22088205, 26996695, 29450940, 32396034, 44176410, 48594051, 53993390, 64792068, 80990085, 88352820, 97188102, 107986780, 161980170, 194376204, 242970255, 323960340, 485940510, 971881020]

約数ペア:

[(1, 971881020), (2, 485940510), (3, 323960340), (4, 242970255), (5, 194376204), (6, 161980170), (9, 107986780), (10, 97188102), (11, 88352820), (12, 80990085), (15, 64792068), (18, 53993390), (20, 48594051), (22, 44176410), (30, 32396034), (33, 29450940), (36, 26996695), (44, 22088205), (45, 21597356), (55, 17670564), (60, 16198017), (66, 14725470), (90, 10798678), (99, 9816980), (110, 8835282), (132, 7362735), (165, 5890188), (180, 5399339), (198, 4908490), (220, 4417641), (330, 2945094), (396, 2454245), (495, 1963396), (660, 1472547), (990, 981698), (1980, 490849)]