90975983.000000000

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 520525824

約数和(自身を除く): 344813196

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 127, 147, 156, 181, 182, 196, 254, 273, 294, 362, 364, 381, 508, 543, 546, 588, 637, 724, 762, 889, 1086, 1092, 1267, 1274, 1524, 1651, 1778, 1911, 2172, 2353, 2534, 2548, 2667, 3302, 3556, 3801, 3822, 4706, 4953, 5068, 5334, 6223, 6604, 7059, 7602, 7644, 8869, 9412, 9906, 10668, 11557, 12446, 14118, 15204, 16471, 17738, 18669, 19812, 22987, 23114, 24892, 26607, 28236, 32942, 34671, 35476, 37338, 45974, 46228, 49413, 53214, 65884, 68961, 69342, 74676, 80899, 91948, 98826, 106428, 115297, 137922, 138684, 160909, 161798, 197652, 230594, 242697, 275844, 298831, 321818, 323596, 345891, 461188, 482727, 485394, 597662, 643636, 691782, 896493, 965454, 970788, 1126363, 1195324, 1383564, 1792986, 1930908, 2091817, 2252726, 3379089, 3585972, 4183634, 4505452, 6275451, 6758178, 8367268, 12550902, 13516356, 14642719, 25101804, 29285438, 43928157, 58570876, 87856314, 175712628]

約数ペア:

[(1, 175712628), (2, 87856314), (3, 58570876), (4, 43928157), (6, 29285438), (7, 25101804), (12, 14642719), (13, 13516356), (14, 12550902), (21, 8367268), (26, 6758178), (28, 6275451), (39, 4505452), (42, 4183634), (49, 3585972), (52, 3379089), (78, 2252726), (84, 2091817), (91, 1930908), (98, 1792986), (127, 1383564), (147, 1195324), (156, 1126363), (181, 970788), (182, 965454), (196, 896493), (254, 691782), (273, 643636), (294, 597662), (362, 485394), (364, 482727), (381, 461188), (508, 345891), (543, 323596), (546, 321818), (588, 298831), (637, 275844), (724, 242697), (762, 230594), (889, 197652), (1086, 161798), (1092, 160909), (1267, 138684), (1274, 137922), (1524, 115297), (1651, 106428), (1778, 98826), (1911, 91948), (2172, 80899), (2353, 74676), (2534, 69342), (2548, 68961), (2667, 65884), (3302, 53214), (3556, 49413), (3801, 46228), (3822, 45974), (4706, 37338), (4953, 35476), (5068, 34671), (5334, 32942), (6223, 28236), (6604, 26607), (7059, 24892), (7602, 23114), (7644, 22987), (8869, 19812), (9412, 18669), (9906, 17738), (10668, 16471), (11557, 15204), (12446, 14118)]