198723980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{797}}^1$

素因数の和:963

約数の個数: 96

約数和(自身を含む): 518023296

約数和(自身を除く): 319299316

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 137, 140, 182, 260, 274, 364, 455, 548, 685, 797, 910, 959, 1370, 1594, 1781, 1820, 1918, 2740, 3188, 3562, 3836, 3985, 4795, 5579, 7124, 7970, 8905, 9590, 10361, 11158, 12467, 15940, 17810, 19180, 20722, 22316, 24934, 27895, 35620, 41444, 49868, 51805, 55790, 62335, 72527, 103610, 109189, 111580, 124670, 145054, 207220, 218378, 249340, 290108, 362635, 436756, 545945, 725270, 764323, 1091890, 1419457, 1450540, 1528646, 2183780, 2838914, 3057292, 3821615, 5677828, 7097285, 7643230, 9936199, 14194570, 15286460, 19872398, 28389140, 39744796, 49680995, 99361990, 198723980]

約数ペア:

[(1, 198723980), (2, 99361990), (4, 49680995), (5, 39744796), (7, 28389140), (10, 19872398), (13, 15286460), (14, 14194570), (20, 9936199), (26, 7643230), (28, 7097285), (35, 5677828), (52, 3821615), (65, 3057292), (70, 2838914), (91, 2183780), (130, 1528646), (137, 1450540), (140, 1419457), (182, 1091890), (260, 764323), (274, 725270), (364, 545945), (455, 436756), (548, 362635), (685, 290108), (797, 249340), (910, 218378), (959, 207220), (1370, 145054), (1594, 124670), (1781, 111580), (1820, 109189), (1918, 103610), (2740, 72527), (3188, 62335), (3562, 55790), (3836, 51805), (3985, 49868), (4795, 41444), (5579, 35620), (7124, 27895), (7970, 24934), (8905, 22316), (9590, 20722), (10361, 19180), (11158, 17810), (12467, 15940)]