207966990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:682

約数の個数: 128

約数和(自身を含む): 626807808

約数和(自身を除く): 418840818

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 197, 210, 231, 330, 385, 394, 457, 462, 591, 770, 914, 985, 1155, 1182, 1371, 1379, 1970, 2167, 2285, 2310, 2742, 2758, 2955, 3199, 4137, 4334, 4570, 5027, 5910, 6398, 6501, 6855, 6895, 8274, 9597, 10054, 10835, 13002, 13710, 13790, 15081, 15169, 15995, 19194, 20685, 21670, 25135, 30162, 30338, 31990, 32505, 35189, 41370, 45507, 47985, 50270, 65010, 70378, 75405, 75845, 90029, 91014, 95970, 105567, 150810, 151690, 175945, 180058, 211134, 227535, 270087, 351890, 450145, 455070, 527835, 540174, 630203, 900290, 990319, 1055670, 1260406, 1350435, 1890609, 1980638, 2700870, 2970957, 3151015, 3781218, 4951595, 5941914, 6302030, 6932233, 9453045, 9903190, 13864466, 14854785, 18906090, 20796699, 29709570, 34661165, 41593398, 69322330, 103983495, 207966990]

約数ペア:

[(1, 207966990), (2, 103983495), (3, 69322330), (5, 41593398), (6, 34661165), (7, 29709570), (10, 20796699), (11, 18906090), (14, 14854785), (15, 13864466), (21, 9903190), (22, 9453045), (30, 6932233), (33, 6302030), (35, 5941914), (42, 4951595), (55, 3781218), (66, 3151015), (70, 2970957), (77, 2700870), (105, 1980638), (110, 1890609), (154, 1350435), (165, 1260406), (197, 1055670), (210, 990319), (231, 900290), (330, 630203), (385, 540174), (394, 527835), (457, 455070), (462, 450145), (591, 351890), (770, 270087), (914, 227535), (985, 211134), (1155, 180058), (1182, 175945), (1371, 151690), (1379, 150810), (1970, 105567), (2167, 95970), (2285, 91014), (2310, 90029), (2742, 75845), (2758, 75405), (2955, 70378), (3199, 65010), (4137, 50270), (4334, 47985), (4570, 45507), (5027, 41370), (5910, 35189), (6398, 32505), (6501, 31990), (6855, 30338), (6895, 30162), (8274, 25135), (9597, 21670), (10054, 20685), (10835, 19194), (13002, 15995), (13710, 15169), (13790, 15081)]