1915691180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{82787}}^1$

素因数の和:82898

約数の個数: 48

約数和(自身を含む): 4381140960

約数和(自身を除く): 2465449780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 11570, 23140, 82787, 165574, 331148, 413935, 827870, 1076231, 1655740, 2152462, 4304924, 5381155, 7368043, 10762310, 14736086, 21524620, 29472172, 36840215, 73680430, 95784559, 147360860, 191569118, 383138236, 478922795, 957845590, 1915691180]

約数ペア:

[(1, 1915691180), (2, 957845590), (4, 478922795), (5, 383138236), (10, 191569118), (13, 147360860), (20, 95784559), (26, 73680430), (52, 36840215), (65, 29472172), (89, 21524620), (130, 14736086), (178, 10762310), (260, 7368043), (356, 5381155), (445, 4304924), (890, 2152462), (1157, 1655740), (1780, 1076231), (2314, 827870), (4628, 413935), (5785, 331148), (11570, 165574), (23140, 82787)]