1378850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 2946240

約数和(自身を除く): 1567390

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 109, 110, 115, 218, 230, 253, 275, 506, 545, 550, 575, 1090, 1150, 1199, 1265, 2398, 2507, 2530, 2725, 5014, 5450, 5995, 6325, 11990, 12535, 12650, 25070, 27577, 29975, 55154, 59950, 62675, 125350, 137885, 275770, 689425, 1378850]

約数ペア:

[(1, 1378850), (2, 689425), (5, 275770), (10, 137885), (11, 125350), (22, 62675), (23, 59950), (25, 55154), (46, 29975), (50, 27577), (55, 25070), (109, 12650), (110, 12535), (115, 11990), (218, 6325), (230, 5995), (253, 5450), (275, 5014), (506, 2725), (545, 2530), (550, 2507), (575, 2398), (1090, 1265), (1150, 1199)]