156949880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2129}}^1$

素因数の和:2256

約数の個数: 64

約数和(自身を含む): 375732000

約数和(自身を除く): 218782120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 970, 1843, 1940, 2129, 3686, 3880, 4258, 7372, 8516, 9215, 10645, 14744, 17032, 18430, 21290, 36860, 40451, 42580, 73720, 80902, 85160, 161804, 202255, 206513, 323608, 404510, 413026, 809020, 826052, 1032565, 1618040, 1652104, 2065130, 3923747, 4130260, 7847494, 8260520, 15694988, 19618735, 31389976, 39237470, 78474940, 156949880]

約数ペア:

[(1, 156949880), (2, 78474940), (4, 39237470), (5, 31389976), (8, 19618735), (10, 15694988), (19, 8260520), (20, 7847494), (38, 4130260), (40, 3923747), (76, 2065130), (95, 1652104), (97, 1618040), (152, 1032565), (190, 826052), (194, 809020), (380, 413026), (388, 404510), (485, 323608), (760, 206513), (776, 202255), (970, 161804), (1843, 85160), (1940, 80902), (2129, 73720), (3686, 42580), (3880, 40451), (4258, 36860), (7372, 21290), (8516, 18430), (9215, 17032), (10645, 14744)]