81885650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21269}}^1$

素因数の和:21299

約数の個数: 48

約数和(自身を含む): 189898560

約数和(自身を除く): 108012910

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 21269, 42538, 106345, 148883, 212690, 233959, 297766, 467918, 531725, 744415, 1063450, 1169795, 1488830, 1637713, 2339590, 3275426, 3722075, 5848975, 7444150, 8188565, 11697950, 16377130, 40942825, 81885650]

約数ペア:

[(1, 81885650), (2, 40942825), (5, 16377130), (7, 11697950), (10, 8188565), (11, 7444150), (14, 5848975), (22, 3722075), (25, 3275426), (35, 2339590), (50, 1637713), (55, 1488830), (70, 1169795), (77, 1063450), (110, 744415), (154, 531725), (175, 467918), (275, 297766), (350, 233959), (385, 212690), (550, 148883), (770, 106345), (1925, 42538), (3850, 21269)]