286952120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2605

約数の個数: 128

約数和(自身を含む): 820592640

約数和(自身を除く): 533640520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2543, 2821, 3224, 3640, 4030, 4340, 5086, 5642, 8060, 8680, 10172, 11284, 12715, 14105, 16120, 17801, 20344, 22568, 25430, 28210, 33059, 35602, 50860, 56420, 66118, 71204, 78833, 89005, 101720, 112840, 132236, 142408, 157666, 165295, 178010, 231413, 264472, 315332, 330590, 356020, 394165, 462826, 551831, 630664, 661180, 712040, 788330, 925652, 1024829, 1103662, 1157065, 1322360, 1576660, 1851304, 2049658, 2207324, 2314130, 2759155, 3153320, 4099316, 4414648, 4628260, 5124145, 5518310, 7173803, 8198632, 9256520, 10248290, 11036620, 14347606, 20496580, 22073240, 28695212, 35869015, 40993160, 57390424, 71738030, 143476060, 286952120]

約数ペア:

[(1, 286952120), (2, 143476060), (4, 71738030), (5, 57390424), (7, 40993160), (8, 35869015), (10, 28695212), (13, 22073240), (14, 20496580), (20, 14347606), (26, 11036620), (28, 10248290), (31, 9256520), (35, 8198632), (40, 7173803), (52, 5518310), (56, 5124145), (62, 4628260), (65, 4414648), (70, 4099316), (91, 3153320), (104, 2759155), (124, 2314130), (130, 2207324), (140, 2049658), (155, 1851304), (182, 1576660), (217, 1322360), (248, 1157065), (260, 1103662), (280, 1024829), (310, 925652), (364, 788330), (403, 712040), (434, 661180), (455, 630664), (520, 551831), (620, 462826), (728, 394165), (806, 356020), (868, 330590), (910, 315332), (1085, 264472), (1240, 231413), (1612, 178010), (1736, 165295), (1820, 157666), (2015, 142408), (2170, 132236), (2543, 112840), (2821, 101720), (3224, 89005), (3640, 78833), (4030, 71204), (4340, 66118), (5086, 56420), (5642, 50860), (8060, 35602), (8680, 33059), (10172, 28210), (11284, 25430), (12715, 22568), (14105, 20344), (16120, 17801)]