2193740

素因数分解:

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

素因数の和:302

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 2886580

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 251, 380, 437, 460, 502, 874, 1004, 1255, 1748, 2185, 2510, 4370, 4769, 5020, 5773, 8740, 9538, 11546, 19076, 23092, 23845, 28865, 47690, 57730, 95380, 109687, 115460, 219374, 438748, 548435, 1096870, 2193740]

約数ペア:

[(1, 2193740), (2, 1096870), (4, 548435), (5, 438748), (10, 219374), (19, 115460), (20, 109687), (23, 95380), (38, 57730), (46, 47690), (76, 28865), (92, 23845), (95, 23092), (115, 19076), (190, 11546), (230, 9538), (251, 8740), (380, 5773), (437, 5020), (460, 4769), (502, 4370), (874, 2510), (1004, 2185), (1255, 1748)]