4892120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 11944800

約数和(自身を除く): 7052680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 157, 164, 190, 205, 314, 328, 380, 410, 628, 760, 779, 785, 820, 1256, 1558, 1570, 1640, 2983, 3116, 3140, 3895, 5966, 6232, 6280, 6437, 7790, 11932, 12874, 14915, 15580, 23864, 25748, 29830, 31160, 32185, 51496, 59660, 64370, 119320, 122303, 128740, 244606, 257480, 489212, 611515, 978424, 1223030, 2446060, 4892120]

約数ペア:

[(1, 4892120), (2, 2446060), (4, 1223030), (5, 978424), (8, 611515), (10, 489212), (19, 257480), (20, 244606), (38, 128740), (40, 122303), (41, 119320), (76, 64370), (82, 59660), (95, 51496), (152, 32185), (157, 31160), (164, 29830), (190, 25748), (205, 23864), (314, 15580), (328, 14915), (380, 12874), (410, 11932), (628, 7790), (760, 6437), (779, 6280), (785, 6232), (820, 5966), (1256, 3895), (1558, 3140), (1570, 3116), (1640, 2983)]