259460390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 611290800

約数和(自身を除く): 351830410

約数列:

[1, 2, 5, 7, 10, 14, 19, 29, 31, 35, 38, 49, 58, 62, 70, 95, 98, 133, 145, 155, 190, 203, 217, 245, 266, 290, 310, 406, 434, 490, 551, 589, 665, 899, 931, 961, 1015, 1085, 1102, 1178, 1330, 1421, 1519, 1798, 1862, 1922, 2030, 2170, 2755, 2842, 2945, 3038, 3857, 4123, 4495, 4655, 4805, 5510, 5890, 6293, 6727, 7105, 7595, 7714, 8246, 8990, 9310, 9610, 12586, 13454, 14210, 15190, 17081, 18259, 19285, 20615, 26999, 27869, 28861, 31465, 33635, 34162, 36518, 38570, 41230, 44051, 47089, 53998, 55738, 57722, 62930, 67270, 85405, 88102, 91295, 94178, 119567, 127813, 134995, 139345, 144305, 170810, 182590, 195083, 220255, 235445, 239134, 255626, 269990, 278690, 288610, 390166, 440510, 470890, 529511, 597835, 639065, 836969, 894691, 975415, 1059022, 1195670, 1278130, 1365581, 1673938, 1789382, 1950830, 2647555, 2731162, 3706577, 4184845, 4473455, 5295110, 6827905, 7413154, 8369690, 8946910, 13655810, 18532885, 25946039, 37065770, 51892078, 129730195, 259460390]

約数ペア:

[(1, 259460390), (2, 129730195), (5, 51892078), (7, 37065770), (10, 25946039), (14, 18532885), (19, 13655810), (29, 8946910), (31, 8369690), (35, 7413154), (38, 6827905), (49, 5295110), (58, 4473455), (62, 4184845), (70, 3706577), (95, 2731162), (98, 2647555), (133, 1950830), (145, 1789382), (155, 1673938), (190, 1365581), (203, 1278130), (217, 1195670), (245, 1059022), (266, 975415), (290, 894691), (310, 836969), (406, 639065), (434, 597835), (490, 529511), (551, 470890), (589, 440510), (665, 390166), (899, 288610), (931, 278690), (961, 269990), (1015, 255626), (1085, 239134), (1102, 235445), (1178, 220255), (1330, 195083), (1421, 182590), (1519, 170810), (1798, 144305), (1862, 139345), (1922, 134995), (2030, 127813), (2170, 119567), (2755, 94178), (2842, 91295), (2945, 88102), (3038, 85405), (3857, 67270), (4123, 62930), (4495, 57722), (4655, 55738), (4805, 53998), (5510, 47089), (5890, 44051), (6293, 41230), (6727, 38570), (7105, 36518), (7595, 34162), (7714, 33635), (8246, 31465), (8990, 28861), (9310, 27869), (9610, 26999), (12586, 20615), (13454, 19285), (14210, 18259), (15190, 17081)]