201388400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 507408000

約数和(自身を除く): 306019600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 109, 124, 149, 155, 200, 218, 248, 298, 310, 400, 436, 496, 545, 596, 620, 745, 775, 872, 1090, 1192, 1240, 1490, 1550, 1744, 2180, 2384, 2480, 2725, 2980, 3100, 3379, 3725, 4360, 4619, 5450, 5960, 6200, 6758, 7450, 8720, 9238, 10900, 11920, 12400, 13516, 14900, 16241, 16895, 18476, 21800, 23095, 27032, 29800, 32482, 33790, 36952, 43600, 46190, 54064, 59600, 64964, 67580, 73904, 81205, 84475, 92380, 115475, 129928, 135160, 162410, 168950, 184760, 230950, 259856, 270320, 324820, 337900, 369520, 406025, 461900, 503471, 649640, 675800, 812050, 923800, 1006942, 1299280, 1351600, 1624100, 1847600, 2013884, 2517355, 3248200, 4027768, 5034710, 6496400, 8055536, 10069420, 12586775, 20138840, 25173550, 40277680, 50347100, 100694200, 201388400]

約数ペア:

[(1, 201388400), (2, 100694200), (4, 50347100), (5, 40277680), (8, 25173550), (10, 20138840), (16, 12586775), (20, 10069420), (25, 8055536), (31, 6496400), (40, 5034710), (50, 4027768), (62, 3248200), (80, 2517355), (100, 2013884), (109, 1847600), (124, 1624100), (149, 1351600), (155, 1299280), (200, 1006942), (218, 923800), (248, 812050), (298, 675800), (310, 649640), (400, 503471), (436, 461900), (496, 406025), (545, 369520), (596, 337900), (620, 324820), (745, 270320), (775, 259856), (872, 230950), (1090, 184760), (1192, 168950), (1240, 162410), (1490, 135160), (1550, 129928), (1744, 115475), (2180, 92380), (2384, 84475), (2480, 81205), (2725, 73904), (2980, 67580), (3100, 64964), (3379, 59600), (3725, 54064), (4360, 46190), (4619, 43600), (5450, 36952), (5960, 33790), (6200, 32482), (6758, 29800), (7450, 27032), (8720, 23095), (9238, 21800), (10900, 18476), (11920, 16895), (12400, 16241), (13516, 14900)]