210828560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 160

約数和(自身を含む): 562464000

約数和(自身を除く): 351635440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 41, 68, 76, 80, 82, 85, 95, 136, 152, 164, 170, 190, 199, 205, 272, 304, 323, 328, 340, 380, 398, 410, 646, 656, 680, 697, 760, 779, 796, 820, 995, 1292, 1360, 1394, 1520, 1558, 1592, 1615, 1640, 1990, 2584, 2788, 3116, 3184, 3230, 3280, 3383, 3485, 3781, 3895, 3980, 5168, 5576, 6232, 6460, 6766, 6970, 7562, 7790, 7960, 8159, 11152, 12464, 12920, 13243, 13532, 13940, 15124, 15580, 15920, 16318, 16915, 18905, 25840, 26486, 27064, 27880, 30248, 31160, 32636, 33830, 37810, 40795, 52972, 54128, 55760, 60496, 62320, 64277, 65272, 66215, 67660, 75620, 81590, 105944, 128554, 130544, 132430, 135320, 138703, 151240, 155021, 163180, 211888, 257108, 264860, 270640, 277406, 302480, 310042, 321385, 326360, 514216, 529720, 554812, 620084, 642770, 652720, 693515, 775105, 1028432, 1059440, 1109624, 1240168, 1285540, 1387030, 1550210, 2219248, 2480336, 2571080, 2635357, 2774060, 3100420, 5142160, 5270714, 5548120, 6200840, 10541428, 11096240, 12401680, 13176785, 21082856, 26353570, 42165712, 52707140, 105414280, 210828560]

約数ペア:

[(1, 210828560), (2, 105414280), (4, 52707140), (5, 42165712), (8, 26353570), (10, 21082856), (16, 13176785), (17, 12401680), (19, 11096240), (20, 10541428), (34, 6200840), (38, 5548120), (40, 5270714), (41, 5142160), (68, 3100420), (76, 2774060), (80, 2635357), (82, 2571080), (85, 2480336), (95, 2219248), (136, 1550210), (152, 1387030), (164, 1285540), (170, 1240168), (190, 1109624), (199, 1059440), (205, 1028432), (272, 775105), (304, 693515), (323, 652720), (328, 642770), (340, 620084), (380, 554812), (398, 529720), (410, 514216), (646, 326360), (656, 321385), (680, 310042), (697, 302480), (760, 277406), (779, 270640), (796, 264860), (820, 257108), (995, 211888), (1292, 163180), (1360, 155021), (1394, 151240), (1520, 138703), (1558, 135320), (1592, 132430), (1615, 130544), (1640, 128554), (1990, 105944), (2584, 81590), (2788, 75620), (3116, 67660), (3184, 66215), (3230, 65272), (3280, 64277), (3383, 62320), (3485, 60496), (3781, 55760), (3895, 54128), (3980, 52972), (5168, 40795), (5576, 37810), (6232, 33830), (6460, 32636), (6766, 31160), (6970, 30248), (7562, 27880), (7790, 27064), (7960, 26486), (8159, 25840), (11152, 18905), (12464, 16915), (12920, 16318), (13243, 15920), (13532, 15580), (13940, 15124)]