427985480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:435

約数の個数: 128

約数和(自身を含む): 1087279200

約数和(自身を除く): 659293720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 101, 104, 116, 130, 145, 202, 232, 260, 281, 290, 377, 404, 505, 520, 562, 580, 754, 808, 1010, 1124, 1160, 1313, 1405, 1508, 1885, 2020, 2248, 2626, 2810, 2929, 3016, 3653, 3770, 4040, 5252, 5620, 5858, 6565, 7306, 7540, 8149, 10504, 11240, 11716, 13130, 14612, 14645, 15080, 16298, 18265, 23432, 26260, 28381, 29224, 29290, 32596, 36530, 38077, 40745, 52520, 56762, 58580, 65192, 73060, 76154, 81490, 105937, 113524, 117160, 141905, 146120, 152308, 162980, 190385, 211874, 227048, 283810, 304616, 325960, 368953, 380770, 423748, 529685, 567620, 737906, 761540, 823049, 847496, 1059370, 1135240, 1475812, 1523080, 1646098, 1844765, 2118740, 2951624, 3292196, 3689530, 4115245, 4237480, 6584392, 7379060, 8230490, 10699637, 14758120, 16460980, 21399274, 32921960, 42798548, 53498185, 85597096, 106996370, 213992740, 427985480]

約数ペア:

[(1, 427985480), (2, 213992740), (4, 106996370), (5, 85597096), (8, 53498185), (10, 42798548), (13, 32921960), (20, 21399274), (26, 16460980), (29, 14758120), (40, 10699637), (52, 8230490), (58, 7379060), (65, 6584392), (101, 4237480), (104, 4115245), (116, 3689530), (130, 3292196), (145, 2951624), (202, 2118740), (232, 1844765), (260, 1646098), (281, 1523080), (290, 1475812), (377, 1135240), (404, 1059370), (505, 847496), (520, 823049), (562, 761540), (580, 737906), (754, 567620), (808, 529685), (1010, 423748), (1124, 380770), (1160, 368953), (1313, 325960), (1405, 304616), (1508, 283810), (1885, 227048), (2020, 211874), (2248, 190385), (2626, 162980), (2810, 152308), (2929, 146120), (3016, 141905), (3653, 117160), (3770, 113524), (4040, 105937), (5252, 81490), (5620, 76154), (5858, 73060), (6565, 65192), (7306, 58580), (7540, 56762), (8149, 52520), (10504, 40745), (11240, 38077), (11716, 36530), (13130, 32596), (14612, 29290), (14645, 29224), (15080, 28381), (16298, 26260), (18265, 23432)]