277270640

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{4507}}^1$

素因数の和:5289

約数の個数: 40

約数和(自身を含む): 645635760

約数和(自身を除く): 368365120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1538, 3076, 3845, 4507, 6152, 7690, 9014, 12304, 15380, 18028, 22535, 30760, 36056, 45070, 61520, 72112, 90140, 180280, 360560, 3465883, 6931766, 13863532, 17329415, 27727064, 34658830, 55454128, 69317660, 138635320, 277270640]

約数ペア:

[(1, 277270640), (2, 138635320), (4, 69317660), (5, 55454128), (8, 34658830), (10, 27727064), (16, 17329415), (20, 13863532), (40, 6931766), (80, 3465883), (769, 360560), (1538, 180280), (3076, 90140), (3845, 72112), (4507, 61520), (6152, 45070), (7690, 36056), (9014, 30760), (12304, 22535), (15380, 18028)]