1285284910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:770

約数の個数: 128

約数和(自身を含む): 2978519040

約数和(自身を除く): 1693234130

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 37, 59, 65, 70, 74, 91, 118, 130, 182, 185, 259, 295, 370, 413, 455, 481, 518, 590, 647, 767, 826, 910, 962, 1294, 1295, 1534, 2065, 2183, 2405, 2590, 3235, 3367, 3835, 4130, 4366, 4529, 4810, 5369, 6470, 6734, 7670, 8411, 9058, 10738, 10915, 15281, 16822, 16835, 21830, 22645, 23939, 26845, 28379, 30562, 33670, 38173, 42055, 45290, 47878, 53690, 56758, 58877, 76346, 76405, 84110, 117754, 119695, 141895, 152810, 167573, 190865, 198653, 239390, 267211, 283790, 294385, 311207, 335146, 381730, 397306, 496249, 534422, 588770, 622414, 837865, 992498, 993265, 1336055, 1412401, 1556035, 1675730, 1986530, 2178449, 2481245, 2672110, 2824802, 3112070, 3473743, 4356898, 4962490, 6947486, 7062005, 9886807, 10892245, 14124010, 17368715, 18361213, 19773614, 21784490, 34737430, 36722426, 49434035, 91806065, 98868070, 128528491, 183612130, 257056982, 642642455, 1285284910]

約数ペア:

[(1, 1285284910), (2, 642642455), (5, 257056982), (7, 183612130), (10, 128528491), (13, 98868070), (14, 91806065), (26, 49434035), (35, 36722426), (37, 34737430), (59, 21784490), (65, 19773614), (70, 18361213), (74, 17368715), (91, 14124010), (118, 10892245), (130, 9886807), (182, 7062005), (185, 6947486), (259, 4962490), (295, 4356898), (370, 3473743), (413, 3112070), (455, 2824802), (481, 2672110), (518, 2481245), (590, 2178449), (647, 1986530), (767, 1675730), (826, 1556035), (910, 1412401), (962, 1336055), (1294, 993265), (1295, 992498), (1534, 837865), (2065, 622414), (2183, 588770), (2405, 534422), (2590, 496249), (3235, 397306), (3367, 381730), (3835, 335146), (4130, 311207), (4366, 294385), (4529, 283790), (4810, 267211), (5369, 239390), (6470, 198653), (6734, 190865), (7670, 167573), (8411, 152810), (9058, 141895), (10738, 119695), (10915, 117754), (15281, 84110), (16822, 76405), (16835, 76346), (21830, 58877), (22645, 56758), (23939, 53690), (26845, 47878), (28379, 45290), (30562, 42055), (33670, 38173)]