202121290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20773}}^1$

素因数の和:20926

約数の個数: 32

約数和(自身を含む): 418803840

約数和(自身を除く): 216682550

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 20773, 41546, 103865, 145411, 207730, 290822, 727055, 1454110, 2887447, 5774894, 14437235, 20212129, 28874470, 40424258, 101060645, 202121290]

約数ペア:

[(1, 202121290), (2, 101060645), (5, 40424258), (7, 28874470), (10, 20212129), (14, 14437235), (35, 5774894), (70, 2887447), (139, 1454110), (278, 727055), (695, 290822), (973, 207730), (1390, 145411), (1946, 103865), (4865, 41546), (9730, 20773)]