208544800

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 537856200

約数和(自身を除く): 329311400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 89, 100, 101, 116, 145, 160, 178, 200, 202, 232, 290, 356, 400, 404, 445, 464, 505, 580, 712, 725, 800, 808, 890, 928, 1010, 1160, 1424, 1450, 1616, 1780, 2020, 2225, 2320, 2525, 2581, 2848, 2900, 2929, 3232, 3560, 4040, 4450, 4640, 5050, 5162, 5800, 5858, 7120, 8080, 8900, 8989, 10100, 10324, 11600, 11716, 12905, 14240, 14645, 16160, 17800, 17978, 20200, 20648, 23200, 23432, 25810, 29290, 35600, 35956, 40400, 41296, 44945, 46864, 51620, 58580, 64525, 71200, 71912, 73225, 80800, 82592, 89890, 93728, 103240, 117160, 129050, 143824, 146450, 179780, 206480, 224725, 234320, 258100, 260681, 287648, 292900, 359560, 412960, 449450, 468640, 516200, 521362, 585800, 719120, 898900, 1032400, 1042724, 1171600, 1303405, 1438240, 1797800, 2064800, 2085448, 2343200, 2606810, 3595600, 4170896, 5213620, 6517025, 7191200, 8341792, 10427240, 13034050, 20854480, 26068100, 41708960, 52136200, 104272400, 208544800]

約数ペア:

[(1, 208544800), (2, 104272400), (4, 52136200), (5, 41708960), (8, 26068100), (10, 20854480), (16, 13034050), (20, 10427240), (25, 8341792), (29, 7191200), (32, 6517025), (40, 5213620), (50, 4170896), (58, 3595600), (80, 2606810), (89, 2343200), (100, 2085448), (101, 2064800), (116, 1797800), (145, 1438240), (160, 1303405), (178, 1171600), (200, 1042724), (202, 1032400), (232, 898900), (290, 719120), (356, 585800), (400, 521362), (404, 516200), (445, 468640), (464, 449450), (505, 412960), (580, 359560), (712, 292900), (725, 287648), (800, 260681), (808, 258100), (890, 234320), (928, 224725), (1010, 206480), (1160, 179780), (1424, 146450), (1450, 143824), (1616, 129050), (1780, 117160), (2020, 103240), (2225, 93728), (2320, 89890), (2525, 82592), (2581, 80800), (2848, 73225), (2900, 71912), (2929, 71200), (3232, 64525), (3560, 58580), (4040, 51620), (4450, 46864), (4640, 44945), (5050, 41296), (5162, 40400), (5800, 35956), (5858, 35600), (7120, 29290), (8080, 25810), (8900, 23432), (8989, 23200), (10100, 20648), (10324, 20200), (11600, 17978), (11716, 17800), (12905, 16160), (14240, 14645)]