1995182020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{733}}^1$

素因数の和:822

約数の個数: 144

約数和(自身を含む): 4933096560

約数和(自身を除く): 2937914540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 29, 38, 52, 58, 65, 76, 95, 116, 130, 145, 190, 247, 260, 290, 361, 377, 380, 494, 551, 580, 722, 733, 754, 988, 1102, 1235, 1444, 1466, 1508, 1805, 1885, 2204, 2470, 2755, 2932, 3610, 3665, 3770, 4693, 4940, 5510, 7163, 7220, 7330, 7540, 9386, 9529, 10469, 11020, 13927, 14326, 14660, 18772, 19058, 20938, 21257, 23465, 27854, 28652, 35815, 38116, 41876, 42514, 46930, 47645, 52345, 55708, 69635, 71630, 85028, 93860, 95290, 104690, 106285, 136097, 139270, 143260, 181051, 190580, 209380, 212570, 264613, 272194, 276341, 278540, 362102, 403883, 425140, 529226, 544388, 552682, 680485, 724204, 807766, 905255, 1058452, 1105364, 1323065, 1360970, 1381705, 1615532, 1810510, 2019415, 2646130, 2721940, 2763410, 3439969, 3621020, 4038830, 5250479, 5292260, 5526820, 6879938, 7673777, 8077660, 10500958, 13759876, 15347554, 17199845, 21001916, 26252395, 30695108, 34399690, 38368885, 52504790, 68799380, 76737770, 99759101, 105009580, 153475540, 199518202, 399036404, 498795505, 997591010, 1995182020]

約数ペア:

[(1, 1995182020), (2, 997591010), (4, 498795505), (5, 399036404), (10, 199518202), (13, 153475540), (19, 105009580), (20, 99759101), (26, 76737770), (29, 68799380), (38, 52504790), (52, 38368885), (58, 34399690), (65, 30695108), (76, 26252395), (95, 21001916), (116, 17199845), (130, 15347554), (145, 13759876), (190, 10500958), (247, 8077660), (260, 7673777), (290, 6879938), (361, 5526820), (377, 5292260), (380, 5250479), (494, 4038830), (551, 3621020), (580, 3439969), (722, 2763410), (733, 2721940), (754, 2646130), (988, 2019415), (1102, 1810510), (1235, 1615532), (1444, 1381705), (1466, 1360970), (1508, 1323065), (1805, 1105364), (1885, 1058452), (2204, 905255), (2470, 807766), (2755, 724204), (2932, 680485), (3610, 552682), (3665, 544388), (3770, 529226), (4693, 425140), (4940, 403883), (5510, 362102), (7163, 278540), (7220, 276341), (7330, 272194), (7540, 264613), (9386, 212570), (9529, 209380), (10469, 190580), (11020, 181051), (13927, 143260), (14326, 139270), (14660, 136097), (18772, 106285), (19058, 104690), (20938, 95290), (21257, 93860), (23465, 85028), (27854, 71630), (28652, 69635), (35815, 55708), (38116, 52345), (41876, 47645), (42514, 46930)]