254009920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{881}}^1$

素因数の和:968

約数の個数: 112

約数和(自身を含む): 653265648

約数和(自身を除く): 399255728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 64, 68, 80, 85, 106, 136, 160, 170, 212, 265, 272, 320, 340, 424, 530, 544, 680, 848, 881, 901, 1060, 1088, 1360, 1696, 1762, 1802, 2120, 2720, 3392, 3524, 3604, 4240, 4405, 4505, 5440, 7048, 7208, 8480, 8810, 9010, 14096, 14416, 14977, 16960, 17620, 18020, 28192, 28832, 29954, 35240, 36040, 46693, 56384, 57664, 59908, 70480, 72080, 74885, 93386, 119816, 140960, 144160, 149770, 186772, 233465, 239632, 281920, 288320, 299540, 373544, 466930, 479264, 599080, 747088, 793781, 933860, 958528, 1198160, 1494176, 1587562, 1867720, 2396320, 2988352, 3175124, 3735440, 3968905, 4792640, 6350248, 7470880, 7937810, 12700496, 14941760, 15875620, 25400992, 31751240, 50801984, 63502480, 127004960, 254009920]

約数ペア:

[(1, 254009920), (2, 127004960), (4, 63502480), (5, 50801984), (8, 31751240), (10, 25400992), (16, 15875620), (17, 14941760), (20, 12700496), (32, 7937810), (34, 7470880), (40, 6350248), (53, 4792640), (64, 3968905), (68, 3735440), (80, 3175124), (85, 2988352), (106, 2396320), (136, 1867720), (160, 1587562), (170, 1494176), (212, 1198160), (265, 958528), (272, 933860), (320, 793781), (340, 747088), (424, 599080), (530, 479264), (544, 466930), (680, 373544), (848, 299540), (881, 288320), (901, 281920), (1060, 239632), (1088, 233465), (1360, 186772), (1696, 149770), (1762, 144160), (1802, 140960), (2120, 119816), (2720, 93386), (3392, 74885), (3524, 72080), (3604, 70480), (4240, 59908), (4405, 57664), (4505, 56384), (5440, 46693), (7048, 36040), (7208, 35240), (8480, 29954), (8810, 28832), (9010, 28192), (14096, 18020), (14416, 17620), (14977, 16960)]