28199610

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 82944000

約数和(自身を除く): 54744390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 23, 27, 30, 38, 45, 46, 54, 57, 69, 90, 95, 114, 115, 135, 138, 171, 190, 207, 230, 239, 270, 285, 342, 345, 414, 437, 478, 513, 570, 621, 690, 717, 855, 874, 1026, 1035, 1195, 1242, 1311, 1434, 1710, 2070, 2151, 2185, 2390, 2565, 2622, 3105, 3585, 3933, 4302, 4370, 4541, 5130, 5497, 6210, 6453, 6555, 7170, 7866, 9082, 10755, 10994, 11799, 12906, 13110, 13623, 16491, 19665, 21510, 22705, 23598, 27246, 27485, 32265, 32982, 39330, 40869, 45410, 49473, 54970, 58995, 64530, 68115, 81738, 82455, 98946, 104443, 117990, 122607, 136230, 148419, 164910, 204345, 208886, 245214, 247365, 296838, 313329, 408690, 494730, 522215, 613035, 626658, 742095, 939987, 1044430, 1226070, 1484190, 1566645, 1879974, 2819961, 3133290, 4699935, 5639922, 9399870, 14099805, 28199610]

約数ペア:

[(1, 28199610), (2, 14099805), (3, 9399870), (5, 5639922), (6, 4699935), (9, 3133290), (10, 2819961), (15, 1879974), (18, 1566645), (19, 1484190), (23, 1226070), (27, 1044430), (30, 939987), (38, 742095), (45, 626658), (46, 613035), (54, 522215), (57, 494730), (69, 408690), (90, 313329), (95, 296838), (114, 247365), (115, 245214), (135, 208886), (138, 204345), (171, 164910), (190, 148419), (207, 136230), (230, 122607), (239, 117990), (270, 104443), (285, 98946), (342, 82455), (345, 81738), (414, 68115), (437, 64530), (478, 58995), (513, 54970), (570, 49473), (621, 45410), (690, 40869), (717, 39330), (855, 32982), (874, 32265), (1026, 27485), (1035, 27246), (1195, 23598), (1242, 22705), (1311, 21510), (1434, 19665), (1710, 16491), (2070, 13623), (2151, 13110), (2185, 12906), (2390, 11799), (2565, 10994), (2622, 10755), (3105, 9082), (3585, 7866), (3933, 7170), (4302, 6555), (4370, 6453), (4541, 6210), (5130, 5497)]