28343700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:447

約数の個数: 216

約数和(自身を含む): 111034560

約数和(自身を除く): 82690860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 25, 28, 30, 33, 35, 36, 42, 44, 45, 50, 55, 60, 63, 66, 70, 75, 77, 84, 90, 99, 100, 105, 110, 126, 132, 140, 150, 154, 165, 175, 180, 198, 210, 220, 225, 231, 252, 275, 300, 308, 315, 330, 350, 385, 396, 409, 420, 450, 462, 495, 525, 550, 630, 660, 693, 700, 770, 818, 825, 900, 924, 990, 1050, 1100, 1155, 1227, 1260, 1386, 1540, 1575, 1636, 1650, 1925, 1980, 2045, 2100, 2310, 2454, 2475, 2772, 2863, 3150, 3300, 3465, 3681, 3850, 4090, 4499, 4620, 4908, 4950, 5726, 5775, 6135, 6300, 6930, 7362, 7700, 8180, 8589, 8998, 9900, 10225, 11452, 11550, 12270, 13497, 13860, 14315, 14724, 17178, 17325, 17996, 18405, 20450, 22495, 23100, 24540, 25767, 26994, 28630, 30675, 31493, 34356, 34650, 36810, 40491, 40900, 42945, 44990, 51534, 53988, 57260, 61350, 62986, 67485, 69300, 71575, 73620, 80982, 85890, 89980, 92025, 94479, 103068, 112475, 122700, 125972, 128835, 134970, 143150, 157465, 161964, 171780, 184050, 188958, 202455, 214725, 224950, 257670, 269940, 283437, 286300, 314930, 337425, 368100, 377916, 404910, 429450, 449900, 472395, 515340, 566874, 629860, 644175, 674850, 787325, 809820, 858900, 944790, 1012275, 1133748, 1288350, 1349700, 1417185, 1574650, 1889580, 2024550, 2361975, 2576700, 2834370, 3149300, 4049100, 4723950, 5668740, 7085925, 9447900, 14171850, 28343700]

約数ペア:

[(1, 28343700), (2, 14171850), (3, 9447900), (4, 7085925), (5, 5668740), (6, 4723950), (7, 4049100), (9, 3149300), (10, 2834370), (11, 2576700), (12, 2361975), (14, 2024550), (15, 1889580), (18, 1574650), (20, 1417185), (21, 1349700), (22, 1288350), (25, 1133748), (28, 1012275), (30, 944790), (33, 858900), (35, 809820), (36, 787325), (42, 674850), (44, 644175), (45, 629860), (50, 566874), (55, 515340), (60, 472395), (63, 449900), (66, 429450), (70, 404910), (75, 377916), (77, 368100), (84, 337425), (90, 314930), (99, 286300), (100, 283437), (105, 269940), (110, 257670), (126, 224950), (132, 214725), (140, 202455), (150, 188958), (154, 184050), (165, 171780), (175, 161964), (180, 157465), (198, 143150), (210, 134970), (220, 128835), (225, 125972), (231, 122700), (252, 112475), (275, 103068), (300, 94479), (308, 92025), (315, 89980), (330, 85890), (350, 80982), (385, 73620), (396, 71575), (409, 69300), (420, 67485), (450, 62986), (462, 61350), (495, 57260), (525, 53988), (550, 51534), (630, 44990), (660, 42945), (693, 40900), (700, 40491), (770, 36810), (818, 34650), (825, 34356), (900, 31493), (924, 30675), (990, 28630), (1050, 26994), (1100, 25767), (1155, 24540), (1227, 23100), (1260, 22495), (1386, 20450), (1540, 18405), (1575, 17996), (1636, 17325), (1650, 17178), (1925, 14724), (1980, 14315), (2045, 13860), (2100, 13497), (2310, 12270), (2454, 11550), (2475, 11452), (2772, 10225), (2863, 9900), (3150, 8998), (3300, 8589), (3465, 8180), (3681, 7700), (3850, 7362), (4090, 6930), (4499, 6300), (4620, 6135), (4908, 5775), (4950, 5726)]