401688560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2399}}^1$

素因数の和:2455

約数の個数: 160

約数和(自身を含む): 1199923200

約数和(自身を除く): 798234640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 80, 91, 92, 104, 112, 115, 130, 140, 161, 182, 184, 208, 230, 260, 280, 299, 322, 364, 368, 455, 460, 520, 560, 598, 644, 728, 805, 910, 920, 1040, 1196, 1288, 1456, 1495, 1610, 1820, 1840, 2093, 2392, 2399, 2576, 2990, 3220, 3640, 4186, 4784, 4798, 5980, 6440, 7280, 8372, 9596, 10465, 11960, 11995, 12880, 16744, 16793, 19192, 20930, 23920, 23990, 31187, 33488, 33586, 38384, 41860, 47980, 55177, 62374, 67172, 83720, 83965, 95960, 110354, 124748, 134344, 155935, 167440, 167930, 191920, 218309, 220708, 249496, 268688, 275885, 311870, 335860, 386239, 436618, 441416, 498992, 551770, 623740, 671720, 717301, 772478, 873236, 882832, 1091545, 1103540, 1247480, 1343440, 1434602, 1544956, 1746472, 1931195, 2183090, 2207080, 2494960, 2869204, 3089912, 3492944, 3586505, 3862390, 4366180, 4414160, 5021107, 5738408, 6179824, 7173010, 7724780, 8732360, 10042214, 11476816, 14346020, 15449560, 17464720, 20084428, 25105535, 28692040, 30899120, 40168856, 50211070, 57384080, 80337712, 100422140, 200844280, 401688560]

約数ペア:

[(1, 401688560), (2, 200844280), (4, 100422140), (5, 80337712), (7, 57384080), (8, 50211070), (10, 40168856), (13, 30899120), (14, 28692040), (16, 25105535), (20, 20084428), (23, 17464720), (26, 15449560), (28, 14346020), (35, 11476816), (40, 10042214), (46, 8732360), (52, 7724780), (56, 7173010), (65, 6179824), (70, 5738408), (80, 5021107), (91, 4414160), (92, 4366180), (104, 3862390), (112, 3586505), (115, 3492944), (130, 3089912), (140, 2869204), (161, 2494960), (182, 2207080), (184, 2183090), (208, 1931195), (230, 1746472), (260, 1544956), (280, 1434602), (299, 1343440), (322, 1247480), (364, 1103540), (368, 1091545), (455, 882832), (460, 873236), (520, 772478), (560, 717301), (598, 671720), (644, 623740), (728, 551770), (805, 498992), (910, 441416), (920, 436618), (1040, 386239), (1196, 335860), (1288, 311870), (1456, 275885), (1495, 268688), (1610, 249496), (1820, 220708), (1840, 218309), (2093, 191920), (2392, 167930), (2399, 167440), (2576, 155935), (2990, 134344), (3220, 124748), (3640, 110354), (4186, 95960), (4784, 83965), (4798, 83720), (5980, 67172), (6440, 62374), (7280, 55177), (8372, 47980), (9596, 41860), (10465, 38384), (11960, 33586), (11995, 33488), (12880, 31187), (16744, 23990), (16793, 23920), (19192, 20930)]