208354760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 506943360

約数和(自身を除く): 298588600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 307, 361, 376, 380, 470, 614, 722, 760, 893, 940, 1228, 1444, 1535, 1786, 1805, 1880, 2456, 2888, 3070, 3572, 3610, 4465, 5833, 6140, 7144, 7220, 8930, 11666, 12280, 14429, 14440, 16967, 17860, 23332, 28858, 29165, 33934, 35720, 46664, 57716, 58330, 67868, 72145, 84835, 110827, 115432, 116660, 135736, 144290, 169670, 221654, 233320, 274151, 288580, 339340, 443308, 548302, 554135, 577160, 678680, 886616, 1096604, 1108270, 1370755, 2193208, 2216540, 2741510, 4433080, 5208869, 5483020, 10417738, 10966040, 20835476, 26044345, 41670952, 52088690, 104177380, 208354760]

約数ペア:

[(1, 208354760), (2, 104177380), (4, 52088690), (5, 41670952), (8, 26044345), (10, 20835476), (19, 10966040), (20, 10417738), (38, 5483020), (40, 5208869), (47, 4433080), (76, 2741510), (94, 2216540), (95, 2193208), (152, 1370755), (188, 1108270), (190, 1096604), (235, 886616), (307, 678680), (361, 577160), (376, 554135), (380, 548302), (470, 443308), (614, 339340), (722, 288580), (760, 274151), (893, 233320), (940, 221654), (1228, 169670), (1444, 144290), (1535, 135736), (1786, 116660), (1805, 115432), (1880, 110827), (2456, 84835), (2888, 72145), (3070, 67868), (3572, 58330), (3610, 57716), (4465, 46664), (5833, 35720), (6140, 33934), (7144, 29165), (7220, 28858), (8930, 23332), (11666, 17860), (12280, 16967), (14429, 14440)]