279218390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 588349440

約数和(自身を除く): 309131050

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 79, 110, 115, 121, 127, 158, 230, 242, 253, 254, 395, 506, 605, 635, 790, 869, 1210, 1265, 1270, 1397, 1738, 1817, 2530, 2783, 2794, 2921, 3634, 4345, 5566, 5842, 6985, 8690, 9085, 9559, 10033, 13915, 13970, 14605, 15367, 18170, 19118, 19987, 20066, 27830, 29210, 30734, 32131, 39974, 47795, 50165, 64262, 76835, 95590, 99935, 100330, 110363, 153670, 160655, 199870, 219857, 220726, 230759, 321310, 353441, 439714, 461518, 551815, 706882, 1099285, 1103630, 1153795, 1213993, 1767205, 2198570, 2307590, 2427986, 2538349, 3534410, 5076698, 6069965, 12139930, 12691745, 25383490, 27921839, 55843678, 139609195, 279218390]

約数ペア:

[(1, 279218390), (2, 139609195), (5, 55843678), (10, 27921839), (11, 25383490), (22, 12691745), (23, 12139930), (46, 6069965), (55, 5076698), (79, 3534410), (110, 2538349), (115, 2427986), (121, 2307590), (127, 2198570), (158, 1767205), (230, 1213993), (242, 1153795), (253, 1103630), (254, 1099285), (395, 706882), (506, 551815), (605, 461518), (635, 439714), (790, 353441), (869, 321310), (1210, 230759), (1265, 220726), (1270, 219857), (1397, 199870), (1738, 160655), (1817, 153670), (2530, 110363), (2783, 100330), (2794, 99935), (2921, 95590), (3634, 76835), (4345, 64262), (5566, 50165), (5842, 47795), (6985, 39974), (8690, 32131), (9085, 30734), (9559, 29210), (10033, 27830), (13915, 20066), (13970, 19987), (14605, 19118), (15367, 18170)]