20171126780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{4337}}^1$

素因数の和:4731

約数の個数: 96

約数和(自身を含む): 48974284800

約数和(自身を除く): 28803158020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 239, 278, 478, 556, 695, 956, 973, 1195, 1390, 1673, 1946, 2390, 2780, 3346, 3892, 4337, 4780, 4865, 6692, 8365, 8674, 9730, 16730, 17348, 19460, 21685, 30359, 33221, 33460, 43370, 60718, 66442, 86740, 121436, 132884, 151795, 166105, 232547, 303590, 332210, 465094, 602843, 607180, 664420, 930188, 1036543, 1162735, 1205686, 2073086, 2325470, 2411372, 3014215, 4146172, 4219901, 4650940, 5182715, 6028430, 7255801, 8439802, 10365430, 12056860, 14511602, 16879604, 20730860, 21099505, 29023204, 36279005, 42199010, 72558010, 84398020, 144079477, 145116020, 288158954, 576317908, 720397385, 1008556339, 1440794770, 2017112678, 2881589540, 4034225356, 5042781695, 10085563390, 20171126780]

約数ペア:

[(1, 20171126780), (2, 10085563390), (4, 5042781695), (5, 4034225356), (7, 2881589540), (10, 2017112678), (14, 1440794770), (20, 1008556339), (28, 720397385), (35, 576317908), (70, 288158954), (139, 145116020), (140, 144079477), (239, 84398020), (278, 72558010), (478, 42199010), (556, 36279005), (695, 29023204), (956, 21099505), (973, 20730860), (1195, 16879604), (1390, 14511602), (1673, 12056860), (1946, 10365430), (2390, 8439802), (2780, 7255801), (3346, 6028430), (3892, 5182715), (4337, 4650940), (4780, 4219901), (4865, 4146172), (6692, 3014215), (8365, 2411372), (8674, 2325470), (9730, 2073086), (16730, 1205686), (17348, 1162735), (19460, 1036543), (21685, 930188), (30359, 664420), (33221, 607180), (33460, 602843), (43370, 465094), (60718, 332210), (66442, 303590), (86740, 232547), (121436, 166105), (132884, 151795)]