280514416

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1619}}^1$

素因数の和:1671

約数の個数: 120

約数和(自身を含む): 721360080

約数和(自身を除く): 440845664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 49, 52, 56, 68, 91, 98, 104, 112, 119, 136, 182, 196, 208, 221, 238, 272, 364, 392, 442, 476, 637, 728, 784, 833, 884, 952, 1274, 1456, 1547, 1619, 1666, 1768, 1904, 2548, 3094, 3238, 3332, 3536, 5096, 6188, 6476, 6664, 10192, 10829, 11333, 12376, 12952, 13328, 21047, 21658, 22666, 24752, 25904, 27523, 42094, 43316, 45332, 55046, 79331, 84188, 86632, 90664, 110092, 147329, 158662, 168376, 173264, 181328, 192661, 220184, 294658, 317324, 336752, 357799, 385322, 440368, 589316, 634648, 715598, 770644, 1031303, 1178632, 1269296, 1348627, 1431196, 1541288, 2062606, 2357264, 2504593, 2697254, 2862392, 3082576, 4125212, 5009186, 5394508, 5724784, 8250424, 10018372, 10789016, 16500848, 17532151, 20036744, 21578032, 35064302, 40073488, 70128604, 140257208, 280514416]

約数ペア:

[(1, 280514416), (2, 140257208), (4, 70128604), (7, 40073488), (8, 35064302), (13, 21578032), (14, 20036744), (16, 17532151), (17, 16500848), (26, 10789016), (28, 10018372), (34, 8250424), (49, 5724784), (52, 5394508), (56, 5009186), (68, 4125212), (91, 3082576), (98, 2862392), (104, 2697254), (112, 2504593), (119, 2357264), (136, 2062606), (182, 1541288), (196, 1431196), (208, 1348627), (221, 1269296), (238, 1178632), (272, 1031303), (364, 770644), (392, 715598), (442, 634648), (476, 589316), (637, 440368), (728, 385322), (784, 357799), (833, 336752), (884, 317324), (952, 294658), (1274, 220184), (1456, 192661), (1547, 181328), (1619, 173264), (1666, 168376), (1768, 158662), (1904, 147329), (2548, 110092), (3094, 90664), (3238, 86632), (3332, 84188), (3536, 79331), (5096, 55046), (6188, 45332), (6476, 43316), (6664, 42094), (10192, 27523), (10829, 25904), (11333, 24752), (12376, 22666), (12952, 21658), (13328, 21047)]