298833520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 120

約数和(自身を含む): 755643600

約数和(自身を除く): 456810080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 89, 94, 95, 152, 178, 188, 190, 235, 304, 356, 376, 380, 445, 470, 712, 752, 760, 890, 893, 940, 1424, 1520, 1691, 1780, 1786, 1880, 2209, 3382, 3560, 3572, 3760, 4183, 4418, 4465, 6764, 7120, 7144, 8366, 8455, 8836, 8930, 11045, 13528, 14288, 16732, 16910, 17672, 17860, 20915, 22090, 27056, 33464, 33820, 35344, 35720, 41830, 41971, 44180, 66928, 67640, 71440, 79477, 83660, 83942, 88360, 135280, 158954, 167320, 167884, 176720, 196601, 209855, 317908, 334640, 335768, 393202, 397385, 419710, 635816, 671536, 786404, 794770, 839420, 983005, 1271632, 1572808, 1589540, 1678840, 1966010, 3145616, 3179080, 3357680, 3735419, 3932020, 6358160, 7470838, 7864040, 14941676, 15728080, 18677095, 29883352, 37354190, 59766704, 74708380, 149416760, 298833520]

約数ペア:

[(1, 298833520), (2, 149416760), (4, 74708380), (5, 59766704), (8, 37354190), (10, 29883352), (16, 18677095), (19, 15728080), (20, 14941676), (38, 7864040), (40, 7470838), (47, 6358160), (76, 3932020), (80, 3735419), (89, 3357680), (94, 3179080), (95, 3145616), (152, 1966010), (178, 1678840), (188, 1589540), (190, 1572808), (235, 1271632), (304, 983005), (356, 839420), (376, 794770), (380, 786404), (445, 671536), (470, 635816), (712, 419710), (752, 397385), (760, 393202), (890, 335768), (893, 334640), (940, 317908), (1424, 209855), (1520, 196601), (1691, 176720), (1780, 167884), (1786, 167320), (1880, 158954), (2209, 135280), (3382, 88360), (3560, 83942), (3572, 83660), (3760, 79477), (4183, 71440), (4418, 67640), (4465, 66928), (6764, 44180), (7120, 41971), (7144, 41830), (8366, 35720), (8455, 35344), (8836, 33820), (8930, 33464), (11045, 27056), (13528, 22090), (14288, 20915), (16732, 17860), (16910, 17672)]