221196160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11149}}^1$

素因数の和:11199

約数の個数: 64

約数和(自身を含む): 545904000

約数和(自身を除く): 324707840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 11149, 19840, 22298, 44596, 55745, 89192, 111490, 178384, 222980, 345619, 356768, 445960, 691238, 713536, 891920, 1382476, 1427072, 1728095, 1783840, 2764952, 3456190, 3567680, 5529904, 6912380, 7135360, 11059808, 13824760, 22119616, 27649520, 44239232, 55299040, 110598080, 221196160]

約数ペア:

[(1, 221196160), (2, 110598080), (4, 55299040), (5, 44239232), (8, 27649520), (10, 22119616), (16, 13824760), (20, 11059808), (31, 7135360), (32, 6912380), (40, 5529904), (62, 3567680), (64, 3456190), (80, 2764952), (124, 1783840), (128, 1728095), (155, 1427072), (160, 1382476), (248, 891920), (310, 713536), (320, 691238), (496, 445960), (620, 356768), (640, 345619), (992, 222980), (1240, 178384), (1984, 111490), (2480, 89192), (3968, 55745), (4960, 44596), (9920, 22298), (11149, 19840)]