204471920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 160

約数和(自身を含む): 545590080

約数和(自身を除く): 341118160

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, 193, 205, 272, 304, 323, 328, 340, 380, 386, 410, 646, 656, 680, 697, 760, 772, 779, 820, 965, 1292, 1360, 1394, 1520, 1544, 1558, 1615, 1640, 1930, 2584, 2788, 3088, 3116, 3230, 3280, 3281, 3485, 3667, 3860, 3895, 5168, 5576, 6232, 6460, 6562, 6970, 7334, 7720, 7790, 7913, 11152, 12464, 12920, 13124, 13243, 13940, 14668, 15440, 15580, 15826, 16405, 18335, 25840, 26248, 26486, 27880, 29336, 31160, 31652, 32810, 36670, 39565, 52496, 52972, 55760, 58672, 62320, 62339, 63304, 65620, 66215, 73340, 79130, 105944, 124678, 126608, 131240, 132430, 134521, 146680, 150347, 158260, 211888, 249356, 262480, 264860, 269042, 293360, 300694, 311695, 316520, 498712, 529720, 538084, 601388, 623390, 633040, 672605, 751735, 997424, 1059440, 1076168, 1202776, 1246780, 1345210, 1503470, 2152336, 2405552, 2493560, 2555899, 2690420, 3006940, 4987120, 5111798, 5380840, 6013880, 10223596, 10761680, 12027760, 12779495, 20447192, 25558990, 40894384, 51117980, 102235960, 204471920]

約数ペア:

[(1, 204471920), (2, 102235960), (4, 51117980), (5, 40894384), (8, 25558990), (10, 20447192), (16, 12779495), (17, 12027760), (19, 10761680), (20, 10223596), (34, 6013880), (38, 5380840), (40, 5111798), (41, 4987120), (68, 3006940), (76, 2690420), (80, 2555899), (82, 2493560), (85, 2405552), (95, 2152336), (136, 1503470), (152, 1345210), (164, 1246780), (170, 1202776), (190, 1076168), (193, 1059440), (205, 997424), (272, 751735), (304, 672605), (323, 633040), (328, 623390), (340, 601388), (380, 538084), (386, 529720), (410, 498712), (646, 316520), (656, 311695), (680, 300694), (697, 293360), (760, 269042), (772, 264860), (779, 262480), (820, 249356), (965, 211888), (1292, 158260), (1360, 150347), (1394, 146680), (1520, 134521), (1544, 132430), (1558, 131240), (1615, 126608), (1640, 124678), (1930, 105944), (2584, 79130), (2788, 73340), (3088, 66215), (3116, 65620), (3230, 63304), (3280, 62339), (3281, 62320), (3485, 58672), (3667, 55760), (3860, 52972), (3895, 52496), (5168, 39565), (5576, 36670), (6232, 32810), (6460, 31652), (6562, 31160), (6970, 29336), (7334, 27880), (7720, 26486), (7790, 26248), (7913, 25840), (11152, 18335), (12464, 16405), (12920, 15826), (13124, 15580), (13243, 15440), (13940, 14668)]