199907090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1\times {\mathrm{761}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 365119920

約数和(自身を除く): 165212830

約数列:

[1, 2, 5, 10, 109, 218, 241, 482, 545, 761, 1090, 1205, 1522, 2410, 3805, 7610, 26269, 52538, 82949, 131345, 165898, 183401, 262690, 366802, 414745, 829490, 917005, 1834010, 19990709, 39981418, 99953545, 199907090]

約数ペア:

[(1, 199907090), (2, 99953545), (5, 39981418), (10, 19990709), (109, 1834010), (218, 917005), (241, 829490), (482, 414745), (545, 366802), (761, 262690), (1090, 183401), (1205, 165898), (1522, 131345), (2410, 82949), (3805, 52538), (7610, 26269)]