2020320400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1607}}^1$

素因数の和:2081

約数の個数: 120

約数和(自身を含む): 5563036800

約数和(自身を除く): 3542716400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 449, 560, 700, 898, 1400, 1607, 1796, 2245, 2800, 3143, 3214, 3592, 4490, 6286, 6428, 7184, 8035, 8980, 11225, 11249, 12572, 12856, 15715, 16070, 17960, 22450, 22498, 25144, 25712, 31430, 32140, 35920, 40175, 44900, 44996, 50288, 56245, 62860, 64280, 78575, 80350, 89800, 89992, 112490, 125720, 128560, 157150, 160700, 179600, 179984, 224980, 251440, 281225, 314300, 321400, 449960, 562450, 628600, 642800, 721543, 899920, 1124900, 1257200, 1443086, 2249800, 2886172, 3607715, 4499600, 5050801, 5772344, 7215430, 10101602, 11544688, 14430860, 18038575, 20203204, 25254005, 28861720, 36077150, 40406408, 50508010, 57723440, 72154300, 80812816, 101016020, 126270025, 144308600, 202032040, 252540050, 288617200, 404064080, 505080100, 1010160200, 2020320400]

約数ペア:

[(1, 2020320400), (2, 1010160200), (4, 505080100), (5, 404064080), (7, 288617200), (8, 252540050), (10, 202032040), (14, 144308600), (16, 126270025), (20, 101016020), (25, 80812816), (28, 72154300), (35, 57723440), (40, 50508010), (50, 40406408), (56, 36077150), (70, 28861720), (80, 25254005), (100, 20203204), (112, 18038575), (140, 14430860), (175, 11544688), (200, 10101602), (280, 7215430), (350, 5772344), (400, 5050801), (449, 4499600), (560, 3607715), (700, 2886172), (898, 2249800), (1400, 1443086), (1607, 1257200), (1796, 1124900), (2245, 899920), (2800, 721543), (3143, 642800), (3214, 628600), (3592, 562450), (4490, 449960), (6286, 321400), (6428, 314300), (7184, 281225), (8035, 251440), (8980, 224980), (11225, 179984), (11249, 179600), (12572, 160700), (12856, 157150), (15715, 128560), (16070, 125720), (17960, 112490), (22450, 89992), (22498, 89800), (25144, 80350), (25712, 78575), (31430, 64280), (32140, 62860), (35920, 56245), (40175, 50288), (44900, 44996)]