208745100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{25771}}^1$

素因数の和:25797

約数の個数: 90

約数和(自身を含む): 676695404

約数和(自身を除く): 467950304

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 25771, 51542, 77313, 103084, 128855, 154626, 231939, 257710, 309252, 386565, 463878, 515420, 644275, 695817, 773130, 927756, 1159695, 1288550, 1391634, 1546260, 1932825, 2087451, 2319390, 2577100, 2783268, 3479085, 3865650, 4174902, 4638780, 5798475, 6958170, 7731300, 8349804, 10437255, 11596950, 13916340, 17395425, 20874510, 23193900, 34790850, 41749020, 52186275, 69581700, 104372550, 208745100]

約数ペア:

[(1, 208745100), (2, 104372550), (3, 69581700), (4, 52186275), (5, 41749020), (6, 34790850), (9, 23193900), (10, 20874510), (12, 17395425), (15, 13916340), (18, 11596950), (20, 10437255), (25, 8349804), (27, 7731300), (30, 6958170), (36, 5798475), (45, 4638780), (50, 4174902), (54, 3865650), (60, 3479085), (75, 2783268), (81, 2577100), (90, 2319390), (100, 2087451), (108, 1932825), (135, 1546260), (150, 1391634), (162, 1288550), (180, 1159695), (225, 927756), (270, 773130), (300, 695817), (324, 644275), (405, 515420), (450, 463878), (540, 386565), (675, 309252), (810, 257710), (900, 231939), (1350, 154626), (1620, 128855), (2025, 103084), (2700, 77313), (4050, 51542), (8100, 25771)]