203460040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 551577600

約数和(自身を除く): 348117560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 41, 56, 70, 74, 82, 140, 148, 164, 185, 205, 259, 280, 287, 296, 328, 370, 410, 479, 518, 574, 740, 820, 958, 1036, 1148, 1295, 1435, 1480, 1517, 1640, 1916, 2072, 2296, 2395, 2590, 2870, 3034, 3353, 3832, 4790, 5180, 5740, 6068, 6706, 7585, 9580, 10360, 10619, 11480, 12136, 13412, 15170, 16765, 17723, 19160, 19639, 21238, 26824, 30340, 33530, 35446, 39278, 42476, 53095, 60680, 67060, 70892, 78556, 84952, 88615, 98195, 106190, 124061, 134120, 137473, 141784, 157112, 177230, 196390, 212380, 248122, 274946, 354460, 392780, 424760, 496244, 549892, 620305, 687365, 708920, 726643, 785560, 992488, 1099784, 1240610, 1374730, 1453286, 2481220, 2749460, 2906572, 3633215, 4962440, 5086501, 5498920, 5813144, 7266430, 10173002, 14532860, 20346004, 25432505, 29065720, 40692008, 50865010, 101730020, 203460040]

約数ペア:

[(1, 203460040), (2, 101730020), (4, 50865010), (5, 40692008), (7, 29065720), (8, 25432505), (10, 20346004), (14, 14532860), (20, 10173002), (28, 7266430), (35, 5813144), (37, 5498920), (40, 5086501), (41, 4962440), (56, 3633215), (70, 2906572), (74, 2749460), (82, 2481220), (140, 1453286), (148, 1374730), (164, 1240610), (185, 1099784), (205, 992488), (259, 785560), (280, 726643), (287, 708920), (296, 687365), (328, 620305), (370, 549892), (410, 496244), (479, 424760), (518, 392780), (574, 354460), (740, 274946), (820, 248122), (958, 212380), (1036, 196390), (1148, 177230), (1295, 157112), (1435, 141784), (1480, 137473), (1517, 134120), (1640, 124061), (1916, 106190), (2072, 98195), (2296, 88615), (2395, 84952), (2590, 78556), (2870, 70892), (3034, 67060), (3353, 60680), (3832, 53095), (4790, 42476), (5180, 39278), (5740, 35446), (6068, 33530), (6706, 30340), (7585, 26824), (9580, 21238), (10360, 19639), (10619, 19160), (11480, 17723), (12136, 16765), (13412, 15170)]