201720396

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 504159040

約数和(自身を除く): 302438644

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 529, 739, 989, 1058, 1478, 1587, 1978, 2116, 2217, 2956, 2967, 3174, 3956, 4434, 5934, 6348, 8868, 11868, 16997, 22747, 31777, 33994, 45494, 50991, 63554, 67988, 68241, 90988, 95331, 101982, 127108, 136482, 190662, 203964, 272964, 381324, 390931, 730871, 781862, 1172793, 1461742, 1563724, 2192613, 2345586, 2923484, 4385226, 4691172, 8770452, 16810033, 33620066, 50430099, 67240132, 100860198, 201720396]

約数ペア:

[(1, 201720396), (2, 100860198), (3, 67240132), (4, 50430099), (6, 33620066), (12, 16810033), (23, 8770452), (43, 4691172), (46, 4385226), (69, 2923484), (86, 2345586), (92, 2192613), (129, 1563724), (138, 1461742), (172, 1172793), (258, 781862), (276, 730871), (516, 390931), (529, 381324), (739, 272964), (989, 203964), (1058, 190662), (1478, 136482), (1587, 127108), (1978, 101982), (2116, 95331), (2217, 90988), (2956, 68241), (2967, 67988), (3174, 63554), (3956, 50991), (4434, 45494), (5934, 33994), (6348, 31777), (8868, 22747), (11868, 16997)]