4387480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 10886400

約数和(自身を除く): 6498920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 251, 380, 437, 460, 502, 760, 874, 920, 1004, 1255, 1748, 2008, 2185, 2510, 3496, 4370, 4769, 5020, 5773, 8740, 9538, 10040, 11546, 17480, 19076, 23092, 23845, 28865, 38152, 46184, 47690, 57730, 95380, 109687, 115460, 190760, 219374, 230920, 438748, 548435, 877496, 1096870, 2193740, 4387480]

約数ペア:

[(1, 4387480), (2, 2193740), (4, 1096870), (5, 877496), (8, 548435), (10, 438748), (19, 230920), (20, 219374), (23, 190760), (38, 115460), (40, 109687), (46, 95380), (76, 57730), (92, 47690), (95, 46184), (115, 38152), (152, 28865), (184, 23845), (190, 23092), (230, 19076), (251, 17480), (380, 11546), (437, 10040), (460, 9538), (502, 8740), (760, 5773), (874, 5020), (920, 4769), (1004, 4370), (1255, 3496), (1748, 2510), (2008, 2185)]