205848900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{691}}^1$

素因数の和:1042

約数の個数: 108

約数和(自身を含む): 648107824

約数和(自身を除く): 442258924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 331, 450, 662, 691, 900, 993, 1324, 1382, 1655, 1986, 2073, 2764, 2979, 3310, 3455, 3972, 4146, 4965, 5958, 6219, 6620, 6910, 8275, 8292, 9930, 10365, 11916, 12438, 13820, 14895, 16550, 17275, 19860, 20730, 24825, 24876, 29790, 31095, 33100, 34550, 41460, 49650, 51825, 59580, 62190, 69100, 74475, 99300, 103650, 124380, 148950, 155475, 207300, 228721, 297900, 310950, 457442, 621900, 686163, 914884, 1143605, 1372326, 2058489, 2287210, 2744652, 3430815, 4116978, 4574420, 5718025, 6861630, 8233956, 10292445, 11436050, 13723260, 17154075, 20584890, 22872100, 34308150, 41169780, 51462225, 68616300, 102924450, 205848900]

約数ペア:

[(1, 205848900), (2, 102924450), (3, 68616300), (4, 51462225), (5, 41169780), (6, 34308150), (9, 22872100), (10, 20584890), (12, 17154075), (15, 13723260), (18, 11436050), (20, 10292445), (25, 8233956), (30, 6861630), (36, 5718025), (45, 4574420), (50, 4116978), (60, 3430815), (75, 2744652), (90, 2287210), (100, 2058489), (150, 1372326), (180, 1143605), (225, 914884), (300, 686163), (331, 621900), (450, 457442), (662, 310950), (691, 297900), (900, 228721), (993, 207300), (1324, 155475), (1382, 148950), (1655, 124380), (1986, 103650), (2073, 99300), (2764, 74475), (2979, 69100), (3310, 62190), (3455, 59580), (3972, 51825), (4146, 49650), (4965, 41460), (5958, 34550), (6219, 33100), (6620, 31095), (6910, 29790), (8275, 24876), (8292, 24825), (9930, 20730), (10365, 19860), (11916, 17275), (12438, 16550), (13820, 14895)]