1898491140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{115903}}^1$

素因数の和:115938

約数の個数: 144

約数和(自身を含む): 7087761408

約数和(自身を除く): 5189270268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 115903, 231806, 347709, 463612, 579515, 695418, 811321, 1043127, 1159030, 1390836, 1506739, 1622642, 1738545, 2086254, 2318060, 2433963, 3013478, 3245284, 3477090, 4056605, 4172508, 4520217, 4867926, 5215635, 6026956, 6954180, 7301889, 7533695, 8113210, 9040434, 9735852, 10431270, 10547173, 12169815, 13560651, 14603778, 15067390, 16226420, 18080868, 20862540, 21094346, 22601085, 24339630, 27121302, 29207556, 30134780, 31641519, 36509445, 42188692, 45202170, 48679260, 52735865, 54242604, 63283038, 67803255, 73018890, 90404340, 94924557, 105471730, 126566076, 135606510, 146037780, 158207595, 189849114, 210943460, 271213020, 316415190, 379698228, 474622785, 632830380, 949245570, 1898491140]

約数ペア:

[(1, 1898491140), (2, 949245570), (3, 632830380), (4, 474622785), (5, 379698228), (6, 316415190), (7, 271213020), (9, 210943460), (10, 189849114), (12, 158207595), (13, 146037780), (14, 135606510), (15, 126566076), (18, 105471730), (20, 94924557), (21, 90404340), (26, 73018890), (28, 67803255), (30, 63283038), (35, 54242604), (36, 52735865), (39, 48679260), (42, 45202170), (45, 42188692), (52, 36509445), (60, 31641519), (63, 30134780), (65, 29207556), (70, 27121302), (78, 24339630), (84, 22601085), (90, 21094346), (91, 20862540), (105, 18080868), (117, 16226420), (126, 15067390), (130, 14603778), (140, 13560651), (156, 12169815), (180, 10547173), (182, 10431270), (195, 9735852), (210, 9040434), (234, 8113210), (252, 7533695), (260, 7301889), (273, 6954180), (315, 6026956), (364, 5215635), (390, 4867926), (420, 4520217), (455, 4172508), (468, 4056605), (546, 3477090), (585, 3245284), (630, 3013478), (780, 2433963), (819, 2318060), (910, 2086254), (1092, 1738545), (1170, 1622642), (1260, 1506739), (1365, 1390836), (1638, 1159030), (1820, 1043127), (2340, 811321), (2730, 695418), (3276, 579515), (4095, 463612), (5460, 347709), (8190, 231806), (16380, 115903)]