207897920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:688

約数の個数: 112

約数和(自身を含む): 528450048

約数和(自身を除く): 320552128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 64, 80, 92, 94, 115, 160, 184, 188, 230, 235, 320, 368, 376, 460, 470, 601, 736, 752, 920, 940, 1081, 1202, 1472, 1504, 1840, 1880, 2162, 2404, 3005, 3008, 3680, 3760, 4324, 4808, 5405, 6010, 7360, 7520, 8648, 9616, 10810, 12020, 13823, 15040, 17296, 19232, 21620, 24040, 27646, 28247, 34592, 38464, 43240, 48080, 55292, 56494, 69115, 69184, 86480, 96160, 110584, 112988, 138230, 141235, 172960, 192320, 221168, 225976, 276460, 282470, 345920, 442336, 451952, 552920, 564940, 649681, 884672, 903904, 1105840, 1129880, 1299362, 1807808, 2211680, 2259760, 2598724, 3248405, 4423360, 4519520, 5197448, 6496810, 9039040, 10394896, 12993620, 20789792, 25987240, 41579584, 51974480, 103948960, 207897920]

約数ペア:

[(1, 207897920), (2, 103948960), (4, 51974480), (5, 41579584), (8, 25987240), (10, 20789792), (16, 12993620), (20, 10394896), (23, 9039040), (32, 6496810), (40, 5197448), (46, 4519520), (47, 4423360), (64, 3248405), (80, 2598724), (92, 2259760), (94, 2211680), (115, 1807808), (160, 1299362), (184, 1129880), (188, 1105840), (230, 903904), (235, 884672), (320, 649681), (368, 564940), (376, 552920), (460, 451952), (470, 442336), (601, 345920), (736, 282470), (752, 276460), (920, 225976), (940, 221168), (1081, 192320), (1202, 172960), (1472, 141235), (1504, 138230), (1840, 112988), (1880, 110584), (2162, 96160), (2404, 86480), (3005, 69184), (3008, 69115), (3680, 56494), (3760, 55292), (4324, 48080), (4808, 43240), (5405, 38464), (6010, 34592), (7360, 28247), (7520, 27646), (8648, 24040), (9616, 21620), (10810, 19232), (12020, 17296), (13823, 15040)]