281775130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:468

約数の個数: 128

約数和(自身を含む): 674150400

約数和(自身を除く): 392375270

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 43, 65, 70, 86, 91, 95, 130, 133, 182, 190, 215, 247, 266, 301, 379, 430, 455, 494, 559, 602, 665, 758, 817, 910, 1118, 1235, 1330, 1505, 1634, 1729, 1895, 2470, 2653, 2795, 3010, 3458, 3790, 3913, 4085, 4927, 5306, 5590, 5719, 7201, 7826, 8170, 8645, 9854, 10621, 11438, 13265, 14402, 16297, 17290, 19565, 21242, 24635, 26530, 28595, 32594, 34489, 36005, 39130, 49270, 50407, 53105, 57190, 68978, 72010, 74347, 81485, 93613, 100814, 106210, 114079, 148694, 162970, 172445, 187226, 211861, 228158, 252035, 309643, 344890, 371735, 423722, 468065, 504070, 570395, 619286, 655291, 743470, 936130, 1059305, 1140790, 1310582, 1483027, 1548215, 2118610, 2167501, 2966054, 3096430, 3276455, 4025359, 4335002, 6552910, 7415135, 8050718, 10837505, 14830270, 20126795, 21675010, 28177513, 40253590, 56355026, 140887565, 281775130]

約数ペア:

[(1, 281775130), (2, 140887565), (5, 56355026), (7, 40253590), (10, 28177513), (13, 21675010), (14, 20126795), (19, 14830270), (26, 10837505), (35, 8050718), (38, 7415135), (43, 6552910), (65, 4335002), (70, 4025359), (86, 3276455), (91, 3096430), (95, 2966054), (130, 2167501), (133, 2118610), (182, 1548215), (190, 1483027), (215, 1310582), (247, 1140790), (266, 1059305), (301, 936130), (379, 743470), (430, 655291), (455, 619286), (494, 570395), (559, 504070), (602, 468065), (665, 423722), (758, 371735), (817, 344890), (910, 309643), (1118, 252035), (1235, 228158), (1330, 211861), (1505, 187226), (1634, 172445), (1729, 162970), (1895, 148694), (2470, 114079), (2653, 106210), (2795, 100814), (3010, 93613), (3458, 81485), (3790, 74347), (3913, 72010), (4085, 68978), (4927, 57190), (5306, 53105), (5590, 50407), (5719, 49270), (7201, 39130), (7826, 36005), (8170, 34489), (8645, 32594), (9854, 28595), (10621, 26530), (11438, 24635), (13265, 21242), (14402, 19565), (16297, 17290)]