281595160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:426

約数の個数: 192

約数和(自身を含む): 828105120

約数和(自身を除く): 546509960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 49, 55, 56, 70, 74, 77, 88, 98, 110, 140, 148, 154, 185, 196, 220, 245, 259, 280, 296, 308, 353, 370, 385, 392, 407, 440, 490, 518, 539, 616, 706, 740, 770, 814, 980, 1036, 1078, 1295, 1412, 1480, 1540, 1628, 1765, 1813, 1960, 2035, 2072, 2156, 2471, 2590, 2695, 2824, 2849, 3080, 3256, 3530, 3626, 3883, 4070, 4312, 4942, 5180, 5390, 5698, 7060, 7252, 7766, 8140, 9065, 9884, 10360, 10780, 11396, 12355, 13061, 14120, 14245, 14504, 15532, 16280, 17297, 18130, 19415, 19768, 19943, 21560, 22792, 24710, 26122, 27181, 28490, 31064, 34594, 36260, 38830, 39886, 49420, 52244, 54362, 56980, 65305, 69188, 72520, 77660, 79772, 86485, 91427, 98840, 99715, 104488, 108724, 113960, 130610, 135905, 138376, 143671, 155320, 159544, 172970, 182854, 190267, 199430, 217448, 261220, 271810, 287342, 345940, 365708, 380534, 398860, 457135, 522440, 543620, 574684, 639989, 691880, 718355, 731416, 761068, 797720, 914270, 951335, 1005697, 1087240, 1149368, 1279978, 1436710, 1522136, 1828540, 1902670, 2011394, 2559956, 2873420, 3199945, 3657080, 3805340, 4022788, 5028485, 5119912, 5746840, 6399890, 7039879, 7610680, 8045576, 10056970, 12799780, 14079758, 20113940, 25599560, 28159516, 35199395, 40227880, 56319032, 70398790, 140797580, 281595160]

約数ペア:

[(1, 281595160), (2, 140797580), (4, 70398790), (5, 56319032), (7, 40227880), (8, 35199395), (10, 28159516), (11, 25599560), (14, 20113940), (20, 14079758), (22, 12799780), (28, 10056970), (35, 8045576), (37, 7610680), (40, 7039879), (44, 6399890), (49, 5746840), (55, 5119912), (56, 5028485), (70, 4022788), (74, 3805340), (77, 3657080), (88, 3199945), (98, 2873420), (110, 2559956), (140, 2011394), (148, 1902670), (154, 1828540), (185, 1522136), (196, 1436710), (220, 1279978), (245, 1149368), (259, 1087240), (280, 1005697), (296, 951335), (308, 914270), (353, 797720), (370, 761068), (385, 731416), (392, 718355), (407, 691880), (440, 639989), (490, 574684), (518, 543620), (539, 522440), (616, 457135), (706, 398860), (740, 380534), (770, 365708), (814, 345940), (980, 287342), (1036, 271810), (1078, 261220), (1295, 217448), (1412, 199430), (1480, 190267), (1540, 182854), (1628, 172970), (1765, 159544), (1813, 155320), (1960, 143671), (2035, 138376), (2072, 135905), (2156, 130610), (2471, 113960), (2590, 108724), (2695, 104488), (2824, 99715), (2849, 98840), (3080, 91427), (3256, 86485), (3530, 79772), (3626, 77660), (3883, 72520), (4070, 69188), (4312, 65305), (4942, 56980), (5180, 54362), (5390, 52244), (5698, 49420), (7060, 39886), (7252, 38830), (7766, 36260), (8140, 34594), (9065, 31064), (9884, 28490), (10360, 27181), (10780, 26122), (11396, 24710), (12355, 22792), (13061, 21560), (14120, 19943), (14245, 19768), (14504, 19415), (15532, 18130), (16280, 17297)]