290480820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3407}}^1$

素因数の和:3462

約数の個数: 144

約数和(自身を含む): 979050240

約数和(自身を除く): 688569420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 105, 116, 140, 145, 147, 174, 196, 203, 210, 245, 290, 294, 348, 406, 420, 435, 490, 580, 588, 609, 735, 812, 870, 980, 1015, 1218, 1421, 1470, 1740, 2030, 2436, 2842, 2940, 3045, 3407, 4060, 4263, 5684, 6090, 6814, 7105, 8526, 10221, 12180, 13628, 14210, 17035, 17052, 20442, 21315, 23849, 28420, 34070, 40884, 42630, 47698, 51105, 68140, 71547, 85260, 95396, 98803, 102210, 119245, 143094, 166943, 197606, 204420, 238490, 286188, 296409, 333886, 357735, 395212, 476980, 494015, 500829, 592818, 667772, 691621, 715470, 834715, 988030, 1001658, 1185636, 1383242, 1430940, 1482045, 1669430, 1976060, 2003316, 2074863, 2504145, 2766484, 2964090, 3338860, 3458105, 4149726, 4841347, 5008290, 5928180, 6916210, 8299452, 9682694, 10016580, 10374315, 13832420, 14524041, 19365388, 20748630, 24206735, 29048082, 41497260, 48413470, 58096164, 72620205, 96826940, 145240410, 290480820]

約数ペア:

[(1, 290480820), (2, 145240410), (3, 96826940), (4, 72620205), (5, 58096164), (6, 48413470), (7, 41497260), (10, 29048082), (12, 24206735), (14, 20748630), (15, 19365388), (20, 14524041), (21, 13832420), (28, 10374315), (29, 10016580), (30, 9682694), (35, 8299452), (42, 6916210), (49, 5928180), (58, 5008290), (60, 4841347), (70, 4149726), (84, 3458105), (87, 3338860), (98, 2964090), (105, 2766484), (116, 2504145), (140, 2074863), (145, 2003316), (147, 1976060), (174, 1669430), (196, 1482045), (203, 1430940), (210, 1383242), (245, 1185636), (290, 1001658), (294, 988030), (348, 834715), (406, 715470), (420, 691621), (435, 667772), (490, 592818), (580, 500829), (588, 494015), (609, 476980), (735, 395212), (812, 357735), (870, 333886), (980, 296409), (1015, 286188), (1218, 238490), (1421, 204420), (1470, 197606), (1740, 166943), (2030, 143094), (2436, 119245), (2842, 102210), (2940, 98803), (3045, 95396), (3407, 85260), (4060, 71547), (4263, 68140), (5684, 51105), (6090, 47698), (6814, 42630), (7105, 40884), (8526, 34070), (10221, 28420), (12180, 23849), (13628, 21315), (14210, 20442), (17035, 17052)]