208784800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1671

約数の個数: 144

約数和(自身を含む): 608211072

約数和(自身を除く): 399426272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 160, 161, 175, 184, 200, 224, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 736, 800, 805, 920, 1120, 1150, 1288, 1400, 1610, 1621, 1840, 2300, 2576, 2800, 3220, 3242, 3680, 4025, 4600, 5152, 5600, 6440, 6484, 8050, 8105, 9200, 11347, 12880, 12968, 16100, 16210, 18400, 22694, 25760, 25936, 32200, 32420, 37283, 40525, 45388, 51872, 56735, 64400, 64840, 74566, 81050, 90776, 113470, 128800, 129680, 149132, 162100, 181552, 186415, 226940, 259360, 260981, 283675, 298264, 324200, 363104, 372830, 453880, 521962, 567350, 596528, 648400, 745660, 907760, 932075, 1043924, 1134700, 1193056, 1296800, 1304905, 1491320, 1815520, 1864150, 2087848, 2269400, 2609810, 2982640, 3728300, 4175696, 4538800, 5219620, 5965280, 6524525, 7456600, 8351392, 9077600, 10439240, 13049050, 14913200, 20878480, 26098100, 29826400, 41756960, 52196200, 104392400, 208784800]

約数ペア:

[(1, 208784800), (2, 104392400), (4, 52196200), (5, 41756960), (7, 29826400), (8, 26098100), (10, 20878480), (14, 14913200), (16, 13049050), (20, 10439240), (23, 9077600), (25, 8351392), (28, 7456600), (32, 6524525), (35, 5965280), (40, 5219620), (46, 4538800), (50, 4175696), (56, 3728300), (70, 2982640), (80, 2609810), (92, 2269400), (100, 2087848), (112, 1864150), (115, 1815520), (140, 1491320), (160, 1304905), (161, 1296800), (175, 1193056), (184, 1134700), (200, 1043924), (224, 932075), (230, 907760), (280, 745660), (322, 648400), (350, 596528), (368, 567350), (400, 521962), (460, 453880), (560, 372830), (575, 363104), (644, 324200), (700, 298264), (736, 283675), (800, 260981), (805, 259360), (920, 226940), (1120, 186415), (1150, 181552), (1288, 162100), (1400, 149132), (1610, 129680), (1621, 128800), (1840, 113470), (2300, 90776), (2576, 81050), (2800, 74566), (3220, 64840), (3242, 64400), (3680, 56735), (4025, 51872), (4600, 45388), (5152, 40525), (5600, 37283), (6440, 32420), (6484, 32200), (8050, 25936), (8105, 25760), (9200, 22694), (11347, 18400), (12880, 16210), (12968, 16100)]