1389100090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:544

約数の個数: 128

約数和(自身を含む): 3150959616

約数和(自身を除く): 1761859526

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 41, 70, 71, 82, 85, 119, 142, 170, 205, 238, 287, 355, 401, 410, 497, 574, 595, 697, 710, 802, 994, 1190, 1207, 1394, 1435, 2005, 2414, 2485, 2807, 2870, 2911, 3485, 4010, 4879, 4970, 5614, 5822, 6035, 6817, 6970, 8449, 9758, 12070, 13634, 14035, 14555, 16441, 16898, 20377, 24395, 28070, 28471, 29110, 32882, 34085, 40754, 42245, 47719, 48790, 49487, 56942, 68170, 82205, 84490, 95438, 98974, 101885, 115087, 142355, 164410, 199297, 203770, 230174, 238595, 247435, 279497, 284710, 346409, 398594, 477190, 484007, 494870, 558994, 575435, 692818, 968014, 996485, 1150870, 1167311, 1397485, 1732045, 1956479, 1992970, 2334622, 2420035, 2794970, 3388049, 3464090, 3912958, 4840070, 5836555, 6776098, 8171177, 9782395, 11673110, 16342354, 16940245, 19564790, 19844287, 33880490, 39688574, 40855885, 81711770, 99221435, 138910009, 198442870, 277820018, 694550045, 1389100090]

約数ペア:

[(1, 1389100090), (2, 694550045), (5, 277820018), (7, 198442870), (10, 138910009), (14, 99221435), (17, 81711770), (34, 40855885), (35, 39688574), (41, 33880490), (70, 19844287), (71, 19564790), (82, 16940245), (85, 16342354), (119, 11673110), (142, 9782395), (170, 8171177), (205, 6776098), (238, 5836555), (287, 4840070), (355, 3912958), (401, 3464090), (410, 3388049), (497, 2794970), (574, 2420035), (595, 2334622), (697, 1992970), (710, 1956479), (802, 1732045), (994, 1397485), (1190, 1167311), (1207, 1150870), (1394, 996485), (1435, 968014), (2005, 692818), (2414, 575435), (2485, 558994), (2807, 494870), (2870, 484007), (2911, 477190), (3485, 398594), (4010, 346409), (4879, 284710), (4970, 279497), (5614, 247435), (5822, 238595), (6035, 230174), (6817, 203770), (6970, 199297), (8449, 164410), (9758, 142355), (12070, 115087), (13634, 101885), (14035, 98974), (14555, 95438), (16441, 84490), (16898, 82205), (20377, 68170), (24395, 56942), (28070, 49487), (28471, 48790), (29110, 47719), (32882, 42245), (34085, 40754)]