156979566740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1063}}^1\times {\mathrm{388621}}^1$

素因数の和:389712

約数の個数: 48

約数和(自身を含む): 347334798720

約数和(自身を除く): 190355231980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1063, 2126, 4252, 5315, 10630, 20197, 21260, 40394, 80788, 100985, 201970, 388621, 403940, 777242, 1554484, 1943105, 3886210, 7383799, 7772420, 14767598, 29535196, 36918995, 73837990, 147675980, 413104123, 826208246, 1652416492, 2065520615, 4131041230, 7848978337, 8262082460, 15697956674, 31395913348, 39244891685, 78489783370, 156979566740]

約数ペア:

[(1, 156979566740), (2, 78489783370), (4, 39244891685), (5, 31395913348), (10, 15697956674), (19, 8262082460), (20, 7848978337), (38, 4131041230), (76, 2065520615), (95, 1652416492), (190, 826208246), (380, 413104123), (1063, 147675980), (2126, 73837990), (4252, 36918995), (5315, 29535196), (10630, 14767598), (20197, 7772420), (21260, 7383799), (40394, 3886210), (80788, 1943105), (100985, 1554484), (201970, 777242), (388621, 403940)]