203878480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 538965504

約数和(自身を除く): 335087024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 47, 52, 65, 80, 86, 94, 97, 104, 130, 172, 188, 194, 208, 215, 235, 260, 344, 376, 388, 430, 470, 485, 520, 559, 611, 688, 752, 776, 860, 940, 970, 1040, 1118, 1222, 1261, 1552, 1720, 1880, 1940, 2021, 2236, 2444, 2522, 2795, 3055, 3440, 3760, 3880, 4042, 4171, 4472, 4559, 4888, 5044, 5590, 6110, 6305, 7760, 8084, 8342, 8944, 9118, 9776, 10088, 10105, 11180, 12220, 12610, 16168, 16684, 18236, 20176, 20210, 20855, 22360, 22795, 24440, 25220, 26273, 32336, 33368, 36472, 40420, 41710, 44720, 45590, 48880, 50440, 52546, 54223, 59267, 66736, 72944, 80840, 83420, 91180, 100880, 105092, 108446, 118534, 131365, 161680, 166840, 182360, 196037, 210184, 216892, 237068, 262730, 271115, 296335, 333680, 364720, 392074, 420368, 433784, 474136, 525460, 542230, 592670, 784148, 867568, 948272, 980185, 1050920, 1084460, 1185340, 1568296, 1960370, 2101840, 2168920, 2370680, 2548481, 3136592, 3920740, 4337840, 4741360, 5096962, 7841480, 10193924, 12742405, 15682960, 20387848, 25484810, 40775696, 50969620, 101939240, 203878480]

約数ペア:

[(1, 203878480), (2, 101939240), (4, 50969620), (5, 40775696), (8, 25484810), (10, 20387848), (13, 15682960), (16, 12742405), (20, 10193924), (26, 7841480), (40, 5096962), (43, 4741360), (47, 4337840), (52, 3920740), (65, 3136592), (80, 2548481), (86, 2370680), (94, 2168920), (97, 2101840), (104, 1960370), (130, 1568296), (172, 1185340), (188, 1084460), (194, 1050920), (208, 980185), (215, 948272), (235, 867568), (260, 784148), (344, 592670), (376, 542230), (388, 525460), (430, 474136), (470, 433784), (485, 420368), (520, 392074), (559, 364720), (611, 333680), (688, 296335), (752, 271115), (776, 262730), (860, 237068), (940, 216892), (970, 210184), (1040, 196037), (1118, 182360), (1222, 166840), (1261, 161680), (1552, 131365), (1720, 118534), (1880, 108446), (1940, 105092), (2021, 100880), (2236, 91180), (2444, 83420), (2522, 80840), (2795, 72944), (3055, 66736), (3440, 59267), (3760, 54223), (3880, 52546), (4042, 50440), (4171, 48880), (4472, 45590), (4559, 44720), (4888, 41710), (5044, 40420), (5590, 36472), (6110, 33368), (6305, 32336), (7760, 26273), (8084, 25220), (8342, 24440), (8944, 22795), (9118, 22360), (9776, 20855), (10088, 20210), (10105, 20176), (11180, 18236), (12220, 16684), (12610, 16168)]