206897480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 508009320

約数和(自身を除く): 301111840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 181, 205, 328, 340, 362, 410, 680, 697, 724, 820, 905, 1394, 1448, 1640, 1681, 1810, 2788, 3077, 3362, 3485, 3620, 5576, 6154, 6724, 6970, 7240, 7421, 8405, 12308, 13448, 13940, 14842, 15385, 16810, 24616, 27880, 28577, 29684, 30770, 33620, 37105, 57154, 59368, 61540, 67240, 74210, 114308, 123080, 126157, 142885, 148420, 228616, 252314, 285770, 296840, 304261, 504628, 571540, 608522, 630785, 1009256, 1143080, 1217044, 1261570, 1521305, 2434088, 2523140, 3042610, 5046280, 5172437, 6085220, 10344874, 12170440, 20689748, 25862185, 41379496, 51724370, 103448740, 206897480]

約数ペア:

[(1, 206897480), (2, 103448740), (4, 51724370), (5, 41379496), (8, 25862185), (10, 20689748), (17, 12170440), (20, 10344874), (34, 6085220), (40, 5172437), (41, 5046280), (68, 3042610), (82, 2523140), (85, 2434088), (136, 1521305), (164, 1261570), (170, 1217044), (181, 1143080), (205, 1009256), (328, 630785), (340, 608522), (362, 571540), (410, 504628), (680, 304261), (697, 296840), (724, 285770), (820, 252314), (905, 228616), (1394, 148420), (1448, 142885), (1640, 126157), (1681, 123080), (1810, 114308), (2788, 74210), (3077, 67240), (3362, 61540), (3485, 59368), (3620, 57154), (5576, 37105), (6154, 33620), (6724, 30770), (6970, 29684), (7240, 28577), (7421, 27880), (8405, 24616), (12308, 16810), (13448, 15385), (13940, 14842)]