245060172

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{138923}}^1$

素因数の和:138947

約数の個数: 54

約数和(自身を含む): 720598788

約数和(自身を除く): 475538616

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 138923, 277846, 416769, 555692, 833538, 972461, 1250307, 1667076, 1944922, 2500614, 2917383, 3889844, 5001228, 5834766, 6807227, 8752149, 11669532, 13614454, 17504298, 20421681, 27228908, 35008596, 40843362, 61265043, 81686724, 122530086, 245060172]

約数ペア:

[(1, 245060172), (2, 122530086), (3, 81686724), (4, 61265043), (6, 40843362), (7, 35008596), (9, 27228908), (12, 20421681), (14, 17504298), (18, 13614454), (21, 11669532), (28, 8752149), (36, 6807227), (42, 5834766), (49, 5001228), (63, 3889844), (84, 2917383), (98, 2500614), (126, 1944922), (147, 1667076), (196, 1250307), (252, 972461), (294, 833538), (441, 555692), (588, 416769), (882, 277846), (1764, 138923)]