204786940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{23431}}^1$

素因数の和:23482

約数の個数: 48

約数和(自身を含む): 472389120

約数和(自身を除く): 267602180

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 23431, 46862, 93724, 117155, 234310, 445189, 468620, 538913, 890378, 1077826, 1780756, 2155652, 2225945, 2694565, 4451890, 5389130, 8903780, 10239347, 10778260, 20478694, 40957388, 51196735, 102393470, 204786940]

約数ペア:

[(1, 204786940), (2, 102393470), (4, 51196735), (5, 40957388), (10, 20478694), (19, 10778260), (20, 10239347), (23, 8903780), (38, 5389130), (46, 4451890), (76, 2694565), (92, 2225945), (95, 2155652), (115, 1780756), (190, 1077826), (230, 890378), (380, 538913), (437, 468620), (460, 445189), (874, 234310), (1748, 117155), (2185, 93724), (4370, 46862), (8740, 23431)]