28638296800

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{1123}}^1$

素因数の和:1521

約数の個数: 144

約数和(自身を含む): 70807468032

約数和(自身を除く): 42169171232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 251, 254, 400, 502, 508, 635, 800, 1004, 1016, 1123, 1255, 1270, 2008, 2032, 2246, 2510, 2540, 3175, 4016, 4064, 4492, 5020, 5080, 5615, 6275, 6350, 8032, 8984, 10040, 10160, 11230, 12550, 12700, 17968, 20080, 20320, 22460, 25100, 25400, 28075, 31877, 35936, 40160, 44920, 50200, 50800, 56150, 63754, 89840, 100400, 101600, 112300, 127508, 142621, 159385, 179680, 200800, 224600, 255016, 281873, 285242, 318770, 449200, 510032, 563746, 570484, 637540, 713105, 796925, 898400, 1020064, 1127492, 1140968, 1275080, 1409365, 1426210, 1593850, 2254984, 2281936, 2550160, 2818730, 2852420, 3187700, 3565525, 4509968, 4563872, 5100320, 5637460, 5704840, 6375400, 7046825, 7131050, 9019936, 11274920, 11409680, 12750800, 14093650, 14262100, 22549840, 22819360, 25501600, 28187300, 28524200, 35797871, 45099680, 56374600, 57048400, 71595742, 112749200, 114096800, 143191484, 178989355, 225498400, 286382968, 357978710, 572765936, 715957420, 894946775, 1145531872, 1431914840, 1789893550, 2863829680, 3579787100, 5727659360, 7159574200, 14319148400, 28638296800]

約数ペア:

[(1, 28638296800), (2, 14319148400), (4, 7159574200), (5, 5727659360), (8, 3579787100), (10, 2863829680), (16, 1789893550), (20, 1431914840), (25, 1145531872), (32, 894946775), (40, 715957420), (50, 572765936), (80, 357978710), (100, 286382968), (127, 225498400), (160, 178989355), (200, 143191484), (251, 114096800), (254, 112749200), (400, 71595742), (502, 57048400), (508, 56374600), (635, 45099680), (800, 35797871), (1004, 28524200), (1016, 28187300), (1123, 25501600), (1255, 22819360), (1270, 22549840), (2008, 14262100), (2032, 14093650), (2246, 12750800), (2510, 11409680), (2540, 11274920), (3175, 9019936), (4016, 7131050), (4064, 7046825), (4492, 6375400), (5020, 5704840), (5080, 5637460), (5615, 5100320), (6275, 4563872), (6350, 4509968), (8032, 3565525), (8984, 3187700), (10040, 2852420), (10160, 2818730), (11230, 2550160), (12550, 2281936), (12700, 2254984), (17968, 1593850), (20080, 1426210), (20320, 1409365), (22460, 1275080), (25100, 1140968), (25400, 1127492), (28075, 1020064), (31877, 898400), (35936, 796925), (40160, 713105), (44920, 637540), (50200, 570484), (50800, 563746), (56150, 510032), (63754, 449200), (89840, 318770), (100400, 285242), (101600, 281873), (112300, 255016), (127508, 224600), (142621, 200800), (159385, 179680)]