245940656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 541840320

約数和(自身を除く): 295899664

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 101, 104, 184, 202, 208, 299, 368, 404, 509, 598, 808, 1018, 1196, 1313, 1616, 2036, 2323, 2392, 2626, 4072, 4646, 4784, 5252, 6617, 8144, 9292, 10504, 11707, 13234, 18584, 21008, 23414, 26468, 30199, 37168, 46828, 51409, 52936, 60398, 93656, 102818, 105872, 120796, 152191, 187312, 205636, 241592, 304382, 411272, 483184, 608764, 668317, 822544, 1182407, 1217528, 1336634, 2364814, 2435056, 2673268, 4729628, 5346536, 9459256, 10693072, 15371291, 18918512, 30742582, 61485164, 122970328, 245940656]

約数ペア:

[(1, 245940656), (2, 122970328), (4, 61485164), (8, 30742582), (13, 18918512), (16, 15371291), (23, 10693072), (26, 9459256), (46, 5346536), (52, 4729628), (92, 2673268), (101, 2435056), (104, 2364814), (184, 1336634), (202, 1217528), (208, 1182407), (299, 822544), (368, 668317), (404, 608764), (509, 483184), (598, 411272), (808, 304382), (1018, 241592), (1196, 205636), (1313, 187312), (1616, 152191), (2036, 120796), (2323, 105872), (2392, 102818), (2626, 93656), (4072, 60398), (4646, 52936), (4784, 51409), (5252, 46828), (6617, 37168), (8144, 30199), (9292, 26468), (10504, 23414), (11707, 21008), (13234, 18584)]