2899681720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 7418615040

約数和(自身を除く): 4518933320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 101, 104, 124, 130, 137, 155, 169, 202, 248, 260, 274, 310, 338, 403, 404, 505, 520, 548, 620, 676, 685, 806, 808, 845, 1010, 1096, 1240, 1313, 1352, 1370, 1612, 1690, 1781, 2015, 2020, 2626, 2740, 3131, 3224, 3380, 3562, 4030, 4040, 4247, 5239, 5252, 5480, 6262, 6565, 6760, 7124, 8060, 8494, 8905, 10478, 10504, 12524, 13130, 13837, 14248, 15655, 16120, 16988, 17069, 17810, 20956, 21235, 23153, 25048, 26195, 26260, 27674, 31310, 33976, 34138, 35620, 40703, 41912, 42470, 46306, 52390, 52520, 55211, 55348, 62620, 68276, 69185, 71240, 81406, 84940, 85345, 92612, 104780, 110422, 110696, 115765, 125240, 136552, 138370, 162812, 169880, 170690, 179881, 185224, 203515, 209560, 220844, 231530, 276055, 276740, 325624, 341380, 359762, 407030, 428947, 441688, 463060, 529139, 552110, 553480, 682760, 717743, 719524, 814060, 857894, 899405, 926120, 1058278, 1104220, 1435486, 1439048, 1628120, 1715788, 1798810, 2116556, 2144735, 2208440, 2338453, 2645695, 2870972, 3431576, 3588715, 3597620, 4233112, 4289470, 4676906, 5291390, 5576311, 5741944, 7177430, 7195240, 8578940, 9353812, 10582780, 11152622, 11692265, 14354860, 17157880, 18707624, 21165560, 22305244, 23384530, 27881555, 28709720, 44610488, 46769060, 55763110, 72492043, 93538120, 111526220, 144984086, 223052440, 289968172, 362460215, 579936344, 724920430, 1449840860, 2899681720]

約数ペア:

[(1, 2899681720), (2, 1449840860), (4, 724920430), (5, 579936344), (8, 362460215), (10, 289968172), (13, 223052440), (20, 144984086), (26, 111526220), (31, 93538120), (40, 72492043), (52, 55763110), (62, 46769060), (65, 44610488), (101, 28709720), (104, 27881555), (124, 23384530), (130, 22305244), (137, 21165560), (155, 18707624), (169, 17157880), (202, 14354860), (248, 11692265), (260, 11152622), (274, 10582780), (310, 9353812), (338, 8578940), (403, 7195240), (404, 7177430), (505, 5741944), (520, 5576311), (548, 5291390), (620, 4676906), (676, 4289470), (685, 4233112), (806, 3597620), (808, 3588715), (845, 3431576), (1010, 2870972), (1096, 2645695), (1240, 2338453), (1313, 2208440), (1352, 2144735), (1370, 2116556), (1612, 1798810), (1690, 1715788), (1781, 1628120), (2015, 1439048), (2020, 1435486), (2626, 1104220), (2740, 1058278), (3131, 926120), (3224, 899405), (3380, 857894), (3562, 814060), (4030, 719524), (4040, 717743), (4247, 682760), (5239, 553480), (5252, 552110), (5480, 529139), (6262, 463060), (6565, 441688), (6760, 428947), (7124, 407030), (8060, 359762), (8494, 341380), (8905, 325624), (10478, 276740), (10504, 276055), (12524, 231530), (13130, 220844), (13837, 209560), (14248, 203515), (15655, 185224), (16120, 179881), (16988, 170690), (17069, 169880), (17810, 162812), (20956, 138370), (21235, 136552), (23153, 125240), (25048, 115765), (26195, 110696), (26260, 110422), (27674, 104780), (31310, 92612), (33976, 85345), (34138, 84940), (35620, 81406), (40703, 71240), (41912, 69185), (42470, 68276), (46306, 62620), (52390, 55348), (52520, 55211)]