251459910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2371

約数の個数: 128

約数和(自身を含む): 745758720

約数和(自身を除く): 494298810

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 62, 65, 78, 90, 93, 117, 130, 135, 155, 186, 195, 234, 270, 279, 310, 351, 390, 403, 465, 558, 585, 702, 806, 837, 930, 1170, 1209, 1395, 1674, 1755, 2015, 2311, 2418, 2790, 3510, 3627, 4030, 4185, 4622, 6045, 6933, 7254, 8370, 10881, 11555, 12090, 13866, 18135, 20799, 21762, 23110, 30043, 34665, 36270, 41598, 54405, 60086, 62397, 69330, 71641, 90129, 103995, 108810, 124794, 143282, 150215, 180258, 207990, 214923, 270387, 300430, 311985, 358205, 429846, 450645, 540774, 623970, 644769, 716410, 811161, 901290, 931333, 1074615, 1289538, 1351935, 1622322, 1862666, 1934307, 2149230, 2703870, 2793999, 3223845, 3868614, 4055805, 4656665, 5587998, 6447690, 8111610, 8381997, 9313330, 9671535, 13969995, 16763994, 19343070, 25145991, 27939990, 41909985, 50291982, 83819970, 125729955, 251459910]

約数ペア:

[(1, 251459910), (2, 125729955), (3, 83819970), (5, 50291982), (6, 41909985), (9, 27939990), (10, 25145991), (13, 19343070), (15, 16763994), (18, 13969995), (26, 9671535), (27, 9313330), (30, 8381997), (31, 8111610), (39, 6447690), (45, 5587998), (54, 4656665), (62, 4055805), (65, 3868614), (78, 3223845), (90, 2793999), (93, 2703870), (117, 2149230), (130, 1934307), (135, 1862666), (155, 1622322), (186, 1351935), (195, 1289538), (234, 1074615), (270, 931333), (279, 901290), (310, 811161), (351, 716410), (390, 644769), (403, 623970), (465, 540774), (558, 450645), (585, 429846), (702, 358205), (806, 311985), (837, 300430), (930, 270387), (1170, 214923), (1209, 207990), (1395, 180258), (1674, 150215), (1755, 143282), (2015, 124794), (2311, 108810), (2418, 103995), (2790, 90129), (3510, 71641), (3627, 69330), (4030, 62397), (4185, 60086), (4622, 54405), (6045, 41598), (6933, 36270), (7254, 34665), (8370, 30043), (10881, 23110), (11555, 21762), (12090, 20799), (13866, 18135)]