278318960

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{74021}}^1$

素因数の和:74081

約数の個数: 40

約数和(自身を含む): 660868416

約数和(自身を除く): 382549456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 74021, 148042, 296084, 370105, 592168, 740210, 1184336, 1480420, 2960840, 3478987, 5921680, 6957974, 13915948, 17394935, 27831896, 34789870, 55663792, 69579740, 139159480, 278318960]

約数ペア:

[(1, 278318960), (2, 139159480), (4, 69579740), (5, 55663792), (8, 34789870), (10, 27831896), (16, 17394935), (20, 13915948), (40, 6957974), (47, 5921680), (80, 3478987), (94, 2960840), (188, 1480420), (235, 1184336), (376, 740210), (470, 592168), (752, 370105), (940, 296084), (1880, 148042), (3760, 74021)]