398435520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:519

約数の個数: 224

約数和(自身を含む): 1457773056

約数和(自身を除く): 1059337536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 211, 224, 240, 280, 281, 320, 336, 420, 422, 448, 480, 560, 562, 633, 672, 840, 843, 844, 960, 1055, 1120, 1124, 1266, 1344, 1405, 1477, 1680, 1686, 1688, 1967, 2110, 2240, 2248, 2532, 2810, 2954, 3165, 3360, 3372, 3376, 3934, 4215, 4220, 4431, 4496, 5064, 5620, 5901, 5908, 6330, 6720, 6744, 6752, 7385, 7868, 8430, 8440, 8862, 8992, 9835, 10128, 11240, 11802, 11816, 12660, 13488, 13504, 14770, 15736, 16860, 16880, 17724, 17984, 19670, 20256, 22155, 22480, 23604, 23632, 25320, 26976, 29505, 29540, 31472, 33720, 33760, 35448, 39340, 40512, 44310, 44960, 47208, 47264, 50640, 53952, 59010, 59080, 59291, 62944, 67440, 67520, 70896, 78680, 88620, 89920, 94416, 94528, 101280, 118020, 118160, 118582, 125888, 134880, 141792, 157360, 177240, 177873, 188832, 202560, 236040, 236320, 237164, 269760, 283584, 296455, 314720, 354480, 355746, 377664, 415037, 472080, 472640, 474328, 592910, 629440, 708960, 711492, 830074, 889365, 944160, 948656, 1185820, 1245111, 1417920, 1422984, 1660148, 1778730, 1888320, 1897312, 2075185, 2371640, 2490222, 2845968, 3320296, 3557460, 3794624, 4150370, 4743280, 4980444, 5691936, 6225555, 6640592, 7114920, 8300740, 9486560, 9960888, 11383872, 12451110, 13281184, 14229840, 16601480, 18973120, 19921776, 24902220, 26562368, 28459680, 33202960, 39843552, 49804440, 56919360, 66405920, 79687104, 99608880, 132811840, 199217760, 398435520]

約数ペア:

[(1, 398435520), (2, 199217760), (3, 132811840), (4, 99608880), (5, 79687104), (6, 66405920), (7, 56919360), (8, 49804440), (10, 39843552), (12, 33202960), (14, 28459680), (15, 26562368), (16, 24902220), (20, 19921776), (21, 18973120), (24, 16601480), (28, 14229840), (30, 13281184), (32, 12451110), (35, 11383872), (40, 9960888), (42, 9486560), (48, 8300740), (56, 7114920), (60, 6640592), (64, 6225555), (70, 5691936), (80, 4980444), (84, 4743280), (96, 4150370), (105, 3794624), (112, 3557460), (120, 3320296), (140, 2845968), (160, 2490222), (168, 2371640), (192, 2075185), (210, 1897312), (211, 1888320), (224, 1778730), (240, 1660148), (280, 1422984), (281, 1417920), (320, 1245111), (336, 1185820), (420, 948656), (422, 944160), (448, 889365), (480, 830074), (560, 711492), (562, 708960), (633, 629440), (672, 592910), (840, 474328), (843, 472640), (844, 472080), (960, 415037), (1055, 377664), (1120, 355746), (1124, 354480), (1266, 314720), (1344, 296455), (1405, 283584), (1477, 269760), (1680, 237164), (1686, 236320), (1688, 236040), (1967, 202560), (2110, 188832), (2240, 177873), (2248, 177240), (2532, 157360), (2810, 141792), (2954, 134880), (3165, 125888), (3360, 118582), (3372, 118160), (3376, 118020), (3934, 101280), (4215, 94528), (4220, 94416), (4431, 89920), (4496, 88620), (5064, 78680), (5620, 70896), (5901, 67520), (5908, 67440), (6330, 62944), (6720, 59291), (6744, 59080), (6752, 59010), (7385, 53952), (7868, 50640), (8430, 47264), (8440, 47208), (8862, 44960), (8992, 44310), (9835, 40512), (10128, 39340), (11240, 35448), (11802, 33760), (11816, 33720), (12660, 31472), (13488, 29540), (13504, 29505), (14770, 26976), (15736, 25320), (16860, 23632), (16880, 23604), (17724, 22480), (17984, 22155), (19670, 20256)]