202120940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19777}}^1$

素因数の和:19866

約数の個数: 48

約数和(自身を含む): 491760192

約数和(自身を除く): 289639252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 19777, 39554, 79108, 98885, 138439, 197770, 276878, 395540, 553756, 692195, 1384390, 1443721, 2768780, 2887442, 5774884, 7218605, 10106047, 14437210, 20212094, 28874420, 40424188, 50530235, 101060470, 202120940]

約数ペア:

[(1, 202120940), (2, 101060470), (4, 50530235), (5, 40424188), (7, 28874420), (10, 20212094), (14, 14437210), (20, 10106047), (28, 7218605), (35, 5774884), (70, 2887442), (73, 2768780), (140, 1443721), (146, 1384390), (292, 692195), (365, 553756), (511, 395540), (730, 276878), (1022, 197770), (1460, 138439), (2044, 98885), (2555, 79108), (5110, 39554), (10220, 19777)]