1291253180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{991}}^1$

素因数の和:1275

約数の個数: 96

約数和(自身を含む): 3191795712

約数和(自身を除く): 1900542532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 227, 287, 410, 454, 574, 820, 908, 991, 1135, 1148, 1435, 1589, 1982, 2270, 2870, 3178, 3964, 4540, 4955, 5740, 6356, 6937, 7945, 9307, 9910, 13874, 15890, 18614, 19820, 27748, 31780, 34685, 37228, 40631, 46535, 65149, 69370, 81262, 93070, 130298, 138740, 162524, 186140, 203155, 224957, 260596, 284417, 325745, 406310, 449914, 568834, 651490, 812620, 899828, 1124785, 1137668, 1302980, 1422085, 1574699, 2249570, 2844170, 3149398, 4499140, 5688340, 6298796, 7873495, 9223237, 15746990, 18446474, 31493980, 36892948, 46116185, 64562659, 92232370, 129125318, 184464740, 258250636, 322813295, 645626590, 1291253180]

約数ペア:

[(1, 1291253180), (2, 645626590), (4, 322813295), (5, 258250636), (7, 184464740), (10, 129125318), (14, 92232370), (20, 64562659), (28, 46116185), (35, 36892948), (41, 31493980), (70, 18446474), (82, 15746990), (140, 9223237), (164, 7873495), (205, 6298796), (227, 5688340), (287, 4499140), (410, 3149398), (454, 2844170), (574, 2249570), (820, 1574699), (908, 1422085), (991, 1302980), (1135, 1137668), (1148, 1124785), (1435, 899828), (1589, 812620), (1982, 651490), (2270, 568834), (2870, 449914), (3178, 406310), (3964, 325745), (4540, 284417), (4955, 260596), (5740, 224957), (6356, 203155), (6937, 186140), (7945, 162524), (9307, 138740), (9910, 130298), (13874, 93070), (15890, 81262), (18614, 69370), (19820, 65149), (27748, 46535), (31780, 40631), (34685, 37228)]