27939800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{2851}}^1$

素因数の和:2881

約数の個数: 72

約数和(自身を含む): 75592260

約数和(自身を除く): 47652460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 2851, 4900, 5702, 9800, 11404, 14255, 19957, 22808, 28510, 39914, 57020, 71275, 79828, 99785, 114040, 139699, 142550, 159656, 199570, 279398, 285100, 399140, 498925, 558796, 570200, 698495, 798280, 997850, 1117592, 1396990, 1995700, 2793980, 3492475, 3991400, 5587960, 6984950, 13969900, 27939800]

約数ペア:

[(1, 27939800), (2, 13969900), (4, 6984950), (5, 5587960), (7, 3991400), (8, 3492475), (10, 2793980), (14, 1995700), (20, 1396990), (25, 1117592), (28, 997850), (35, 798280), (40, 698495), (49, 570200), (50, 558796), (56, 498925), (70, 399140), (98, 285100), (100, 279398), (140, 199570), (175, 159656), (196, 142550), (200, 139699), (245, 114040), (280, 99785), (350, 79828), (392, 71275), (490, 57020), (700, 39914), (980, 28510), (1225, 22808), (1400, 19957), (1960, 14255), (2450, 11404), (2851, 9800), (4900, 5702)]