19688200

素因数分解:

$2^3\times 5^2\times 7^4\times {\mathrm{41}}^1$

素因数の和:85

約数の個数: 120

約数和(自身を含む): 54703530

約数和(自身を除く): 35015330

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 49, 50, 56, 70, 82, 98, 100, 140, 164, 175, 196, 200, 205, 245, 280, 287, 328, 343, 350, 392, 410, 490, 574, 686, 700, 820, 980, 1025, 1148, 1225, 1372, 1400, 1435, 1640, 1715, 1960, 2009, 2050, 2296, 2401, 2450, 2744, 2870, 3430, 4018, 4100, 4802, 4900, 5740, 6860, 7175, 8036, 8200, 8575, 9604, 9800, 10045, 11480, 12005, 13720, 14063, 14350, 16072, 17150, 19208, 20090, 24010, 28126, 28700, 34300, 40180, 48020, 50225, 56252, 57400, 60025, 68600, 70315, 80360, 96040, 98441, 100450, 112504, 120050, 140630, 196882, 200900, 240100, 281260, 351575, 393764, 401800, 480200, 492205, 562520, 703150, 787528, 984410, 1406300, 1968820, 2461025, 2812600, 3937640, 4922050, 9844100, 19688200]

約数ペア:

[(1, 19688200), (2, 9844100), (4, 4922050), (5, 3937640), (7, 2812600), (8, 2461025), (10, 1968820), (14, 1406300), (20, 984410), (25, 787528), (28, 703150), (35, 562520), (40, 492205), (41, 480200), (49, 401800), (50, 393764), (56, 351575), (70, 281260), (82, 240100), (98, 200900), (100, 196882), (140, 140630), (164, 120050), (175, 112504), (196, 100450), (200, 98441), (205, 96040), (245, 80360), (280, 70315), (287, 68600), (328, 60025), (343, 57400), (350, 56252), (392, 50225), (410, 48020), (490, 40180), (574, 34300), (686, 28700), (700, 28126), (820, 24010), (980, 20090), (1025, 19208), (1148, 17150), (1225, 16072), (1372, 14350), (1400, 14063), (1435, 13720), (1640, 12005), (1715, 11480), (1960, 10045), (2009, 9800), (2050, 9604), (2296, 8575), (2401, 8200), (2450, 8036), (2744, 7175), (2870, 6860), (3430, 5740), (4018, 4900), (4100, 4802)]