28684480

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:338

約数の個数: 112

約数和(自身を含む): 77358240

約数和(自身を除く): 48673760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 145, 160, 176, 220, 232, 281, 290, 319, 320, 352, 440, 464, 562, 580, 638, 704, 880, 928, 1124, 1160, 1276, 1405, 1595, 1760, 1856, 2248, 2320, 2552, 2810, 3091, 3190, 3520, 4496, 4640, 5104, 5620, 6182, 6380, 8149, 8992, 9280, 10208, 11240, 12364, 12760, 15455, 16298, 17984, 20416, 22480, 24728, 25520, 30910, 32596, 40745, 44960, 49456, 51040, 61820, 65192, 81490, 89639, 89920, 98912, 102080, 123640, 130384, 162980, 179278, 197824, 247280, 260768, 325960, 358556, 448195, 494560, 521536, 651920, 717112, 896390, 989120, 1303840, 1434224, 1792780, 2607680, 2868448, 3585560, 5736896, 7171120, 14342240, 28684480]

約数ペア:

[(1, 28684480), (2, 14342240), (4, 7171120), (5, 5736896), (8, 3585560), (10, 2868448), (11, 2607680), (16, 1792780), (20, 1434224), (22, 1303840), (29, 989120), (32, 896390), (40, 717112), (44, 651920), (55, 521536), (58, 494560), (64, 448195), (80, 358556), (88, 325960), (110, 260768), (116, 247280), (145, 197824), (160, 179278), (176, 162980), (220, 130384), (232, 123640), (281, 102080), (290, 98912), (319, 89920), (320, 89639), (352, 81490), (440, 65192), (464, 61820), (562, 51040), (580, 49456), (638, 44960), (704, 40745), (880, 32596), (928, 30910), (1124, 25520), (1160, 24728), (1276, 22480), (1405, 20416), (1595, 17984), (1760, 16298), (1856, 15455), (2248, 12760), (2320, 12364), (2552, 11240), (2810, 10208), (3091, 9280), (3190, 8992), (3520, 8149), (4496, 6380), (4640, 6182), (5104, 5620)]