1999304890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1144

約数の個数: 96

約数和(自身を含む): 4242907008

約数和(自身を除く): 2243602118

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 61, 85, 110, 122, 170, 187, 289, 305, 374, 578, 610, 671, 935, 1031, 1037, 1342, 1445, 1870, 2062, 2074, 2890, 3179, 3355, 5155, 5185, 6358, 6710, 10310, 10370, 11341, 11407, 15895, 17527, 17629, 22682, 22814, 31790, 35054, 35258, 56705, 57035, 62891, 87635, 88145, 113410, 114070, 125782, 175270, 176290, 192797, 193919, 297959, 314455, 385594, 387838, 595918, 628910, 691801, 963985, 969595, 1069147, 1383602, 1489795, 1927970, 1939190, 2138294, 2979590, 3277549, 3459005, 5345735, 6555098, 6918010, 10691470, 11760617, 16387745, 18175499, 23521234, 32775490, 36350998, 58803085, 90877495, 117606170, 181754990, 199930489, 399860978, 999652445, 1999304890]

約数ペア:

[(1, 1999304890), (2, 999652445), (5, 399860978), (10, 199930489), (11, 181754990), (17, 117606170), (22, 90877495), (34, 58803085), (55, 36350998), (61, 32775490), (85, 23521234), (110, 18175499), (122, 16387745), (170, 11760617), (187, 10691470), (289, 6918010), (305, 6555098), (374, 5345735), (578, 3459005), (610, 3277549), (671, 2979590), (935, 2138294), (1031, 1939190), (1037, 1927970), (1342, 1489795), (1445, 1383602), (1870, 1069147), (2062, 969595), (2074, 963985), (2890, 691801), (3179, 628910), (3355, 595918), (5155, 387838), (5185, 385594), (6358, 314455), (6710, 297959), (10310, 193919), (10370, 192797), (11341, 176290), (11407, 175270), (15895, 125782), (17527, 114070), (17629, 113410), (22682, 88145), (22814, 87635), (31790, 62891), (35054, 57035), (35258, 56705)]