208719280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1155

約数の個数: 160

約数和(自身を含む): 625102848

約数和(自身を除く): 416383568

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 176, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 496, 560, 616, 620, 682, 770, 868, 880, 1085, 1093, 1232, 1240, 1364, 1540, 1705, 1736, 2170, 2186, 2387, 2480, 2728, 3080, 3410, 3472, 4340, 4372, 4774, 5456, 5465, 6160, 6820, 7651, 8680, 8744, 9548, 10930, 11935, 12023, 13640, 15302, 17360, 17488, 19096, 21860, 23870, 24046, 27280, 30604, 33883, 38192, 38255, 43720, 47740, 48092, 60115, 61208, 67766, 76510, 84161, 87440, 95480, 96184, 120230, 122416, 135532, 153020, 168322, 169415, 190960, 192368, 237181, 240460, 271064, 306040, 336644, 338830, 372713, 420805, 474362, 480920, 542128, 612080, 673288, 677660, 745426, 841610, 948724, 961840, 1185905, 1346576, 1355320, 1490852, 1683220, 1863565, 1897448, 2371810, 2608991, 2710640, 2981704, 3366440, 3727130, 3794896, 4743620, 5217982, 5963408, 6732880, 7454260, 9487240, 10435964, 13044955, 14908520, 18974480, 20871928, 26089910, 29817040, 41743856, 52179820, 104359640, 208719280]

約数ペア:

[(1, 208719280), (2, 104359640), (4, 52179820), (5, 41743856), (7, 29817040), (8, 26089910), (10, 20871928), (11, 18974480), (14, 14908520), (16, 13044955), (20, 10435964), (22, 9487240), (28, 7454260), (31, 6732880), (35, 5963408), (40, 5217982), (44, 4743620), (55, 3794896), (56, 3727130), (62, 3366440), (70, 2981704), (77, 2710640), (80, 2608991), (88, 2371810), (110, 1897448), (112, 1863565), (124, 1683220), (140, 1490852), (154, 1355320), (155, 1346576), (176, 1185905), (217, 961840), (220, 948724), (248, 841610), (280, 745426), (308, 677660), (310, 673288), (341, 612080), (385, 542128), (434, 480920), (440, 474362), (496, 420805), (560, 372713), (616, 338830), (620, 336644), (682, 306040), (770, 271064), (868, 240460), (880, 237181), (1085, 192368), (1093, 190960), (1232, 169415), (1240, 168322), (1364, 153020), (1540, 135532), (1705, 122416), (1736, 120230), (2170, 96184), (2186, 95480), (2387, 87440), (2480, 84161), (2728, 76510), (3080, 67766), (3410, 61208), (3472, 60115), (4340, 48092), (4372, 47740), (4774, 43720), (5456, 38255), (5465, 38192), (6160, 33883), (6820, 30604), (7651, 27280), (8680, 24046), (8744, 23870), (9548, 21860), (10930, 19096), (11935, 17488), (12023, 17360), (13640, 15302)]