203791520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:454

約数の個数: 96

約数和(自身を含む): 501935616

約数和(自身を除く): 298144096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 181, 227, 248, 310, 362, 454, 496, 620, 724, 905, 908, 992, 1135, 1240, 1448, 1810, 1816, 2270, 2480, 2896, 3620, 3632, 4540, 4960, 5611, 5792, 7037, 7240, 7264, 9080, 11222, 14074, 14480, 18160, 22444, 28055, 28148, 28960, 35185, 36320, 41087, 44888, 56110, 56296, 70370, 82174, 89776, 112220, 112592, 140740, 164348, 179552, 205435, 224440, 225184, 281480, 328696, 410870, 448880, 562960, 657392, 821740, 897760, 1125920, 1273697, 1314784, 1643480, 2547394, 3286960, 5094788, 6368485, 6573920, 10189576, 12736970, 20379152, 25473940, 40758304, 50947880, 101895760, 203791520]

約数ペア:

[(1, 203791520), (2, 101895760), (4, 50947880), (5, 40758304), (8, 25473940), (10, 20379152), (16, 12736970), (20, 10189576), (31, 6573920), (32, 6368485), (40, 5094788), (62, 3286960), (80, 2547394), (124, 1643480), (155, 1314784), (160, 1273697), (181, 1125920), (227, 897760), (248, 821740), (310, 657392), (362, 562960), (454, 448880), (496, 410870), (620, 328696), (724, 281480), (905, 225184), (908, 224440), (992, 205435), (1135, 179552), (1240, 164348), (1448, 140740), (1810, 112592), (1816, 112220), (2270, 89776), (2480, 82174), (2896, 70370), (3620, 56296), (3632, 56110), (4540, 44888), (4960, 41087), (5611, 36320), (5792, 35185), (7037, 28960), (7240, 28148), (7264, 28055), (9080, 22444), (11222, 18160), (14074, 14480)]