400899660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:972

約数の個数: 192

約数和(自身を含む): 1368686592

約数和(自身を除く): 967786932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 47, 60, 69, 70, 84, 92, 94, 105, 115, 138, 140, 141, 161, 188, 210, 230, 235, 276, 282, 322, 329, 345, 420, 460, 470, 483, 564, 644, 658, 690, 705, 805, 883, 940, 966, 987, 1081, 1316, 1380, 1410, 1610, 1645, 1766, 1932, 1974, 2162, 2415, 2649, 2820, 3220, 3243, 3290, 3532, 3948, 4324, 4415, 4830, 4935, 5298, 5405, 6181, 6486, 6580, 7567, 8830, 9660, 9870, 10596, 10810, 12362, 12972, 13245, 15134, 16215, 17660, 18543, 19740, 20309, 21620, 22701, 24724, 26490, 30268, 30905, 32430, 37086, 37835, 40618, 41501, 45402, 52980, 60927, 61810, 64860, 74172, 75670, 81236, 83002, 90804, 92715, 101545, 113505, 121854, 123620, 124503, 142163, 151340, 166004, 185430, 203090, 207505, 227010, 243708, 249006, 284326, 290507, 304635, 370860, 406180, 415010, 426489, 454020, 498012, 568652, 581014, 609270, 622515, 710815, 830020, 852978, 871521, 954523, 1162028, 1218540, 1245030, 1421630, 1452535, 1705956, 1743042, 1909046, 2132445, 2490060, 2843260, 2863569, 2905070, 3486084, 3818092, 4264890, 4357605, 4772615, 5727138, 5810140, 6681661, 8529780, 8715210, 9545230, 11454276, 13363322, 14317845, 17430420, 19090460, 20044983, 26726644, 28635690, 33408305, 40089966, 57271380, 66816610, 80179932, 100224915, 133633220, 200449830, 400899660]

約数ペア:

[(1, 400899660), (2, 200449830), (3, 133633220), (4, 100224915), (5, 80179932), (6, 66816610), (7, 57271380), (10, 40089966), (12, 33408305), (14, 28635690), (15, 26726644), (20, 20044983), (21, 19090460), (23, 17430420), (28, 14317845), (30, 13363322), (35, 11454276), (42, 9545230), (46, 8715210), (47, 8529780), (60, 6681661), (69, 5810140), (70, 5727138), (84, 4772615), (92, 4357605), (94, 4264890), (105, 3818092), (115, 3486084), (138, 2905070), (140, 2863569), (141, 2843260), (161, 2490060), (188, 2132445), (210, 1909046), (230, 1743042), (235, 1705956), (276, 1452535), (282, 1421630), (322, 1245030), (329, 1218540), (345, 1162028), (420, 954523), (460, 871521), (470, 852978), (483, 830020), (564, 710815), (644, 622515), (658, 609270), (690, 581014), (705, 568652), (805, 498012), (883, 454020), (940, 426489), (966, 415010), (987, 406180), (1081, 370860), (1316, 304635), (1380, 290507), (1410, 284326), (1610, 249006), (1645, 243708), (1766, 227010), (1932, 207505), (1974, 203090), (2162, 185430), (2415, 166004), (2649, 151340), (2820, 142163), (3220, 124503), (3243, 123620), (3290, 121854), (3532, 113505), (3948, 101545), (4324, 92715), (4415, 90804), (4830, 83002), (4935, 81236), (5298, 75670), (5405, 74172), (6181, 64860), (6486, 61810), (6580, 60927), (7567, 52980), (8830, 45402), (9660, 41501), (9870, 40618), (10596, 37835), (10810, 37086), (12362, 32430), (12972, 30905), (13245, 30268), (15134, 26490), (16215, 24724), (17660, 22701), (18543, 21620), (19740, 20309)]