747204920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{4951}}^1$

素因数の和:4994

約数の個数: 128

約数和(自身を含む): 2139264000

約数和(自身を除く): 1392059080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 616, 686, 770, 980, 1078, 1372, 1540, 1715, 1960, 2156, 2695, 2744, 3080, 3430, 3773, 4312, 4951, 5390, 6860, 7546, 9902, 10780, 13720, 15092, 18865, 19804, 21560, 24755, 30184, 34657, 37730, 39608, 49510, 54461, 69314, 75460, 99020, 108922, 138628, 150920, 173285, 198040, 217844, 242599, 272305, 277256, 346570, 381227, 435688, 485198, 544610, 693140, 762454, 970396, 1089220, 1212995, 1386280, 1524908, 1698193, 1906135, 1940792, 2178440, 2425990, 2668589, 3049816, 3396386, 3812270, 4851980, 5337178, 6792772, 7624540, 8490965, 9703960, 10674356, 13342945, 13585544, 15249080, 16981930, 18680123, 21348712, 26685890, 33963860, 37360246, 53371780, 67927720, 74720492, 93400615, 106743560, 149440984, 186801230, 373602460, 747204920]

約数ペア:

[(1, 747204920), (2, 373602460), (4, 186801230), (5, 149440984), (7, 106743560), (8, 93400615), (10, 74720492), (11, 67927720), (14, 53371780), (20, 37360246), (22, 33963860), (28, 26685890), (35, 21348712), (40, 18680123), (44, 16981930), (49, 15249080), (55, 13585544), (56, 13342945), (70, 10674356), (77, 9703960), (88, 8490965), (98, 7624540), (110, 6792772), (140, 5337178), (154, 4851980), (196, 3812270), (220, 3396386), (245, 3049816), (280, 2668589), (308, 2425990), (343, 2178440), (385, 1940792), (392, 1906135), (440, 1698193), (490, 1524908), (539, 1386280), (616, 1212995), (686, 1089220), (770, 970396), (980, 762454), (1078, 693140), (1372, 544610), (1540, 485198), (1715, 435688), (1960, 381227), (2156, 346570), (2695, 277256), (2744, 272305), (3080, 242599), (3430, 217844), (3773, 198040), (4312, 173285), (4951, 150920), (5390, 138628), (6860, 108922), (7546, 99020), (9902, 75460), (10780, 69314), (13720, 54461), (15092, 49510), (18865, 39608), (19804, 37730), (21560, 34657), (24755, 30184)]