1273428200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:660

約数の個数: 144

約数和(自身を含む): 3292875180

約数和(自身を除く): 2019446980

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 101, 110, 121, 200, 202, 220, 242, 275, 404, 440, 484, 505, 521, 550, 605, 808, 968, 1010, 1042, 1100, 1111, 1210, 2020, 2084, 2200, 2222, 2420, 2525, 2605, 3025, 4040, 4168, 4444, 4840, 5050, 5210, 5555, 5731, 6050, 8888, 10100, 10420, 11110, 11462, 12100, 12221, 13025, 20200, 20840, 22220, 22924, 24200, 24442, 26050, 27775, 28655, 44440, 45848, 48884, 52100, 52621, 55550, 57310, 61105, 63041, 97768, 104200, 105242, 111100, 114620, 122210, 126082, 143275, 210484, 222200, 229240, 244420, 252164, 263105, 286550, 305525, 315205, 420968, 488840, 504328, 526210, 573100, 578831, 611050, 630410, 1052420, 1146200, 1157662, 1222100, 1260820, 1315525, 1576025, 2104840, 2315324, 2444200, 2521640, 2631050, 2894155, 3152050, 4630648, 5262100, 5788310, 6304100, 6367141, 10524200, 11576620, 12608200, 12734282, 14470775, 23153240, 25468564, 28941550, 31835705, 50937128, 57883100, 63671410, 115766200, 127342820, 159178525, 254685640, 318357050, 636714100, 1273428200]

約数ペア:

[(1, 1273428200), (2, 636714100), (4, 318357050), (5, 254685640), (8, 159178525), (10, 127342820), (11, 115766200), (20, 63671410), (22, 57883100), (25, 50937128), (40, 31835705), (44, 28941550), (50, 25468564), (55, 23153240), (88, 14470775), (100, 12734282), (101, 12608200), (110, 11576620), (121, 10524200), (200, 6367141), (202, 6304100), (220, 5788310), (242, 5262100), (275, 4630648), (404, 3152050), (440, 2894155), (484, 2631050), (505, 2521640), (521, 2444200), (550, 2315324), (605, 2104840), (808, 1576025), (968, 1315525), (1010, 1260820), (1042, 1222100), (1100, 1157662), (1111, 1146200), (1210, 1052420), (2020, 630410), (2084, 611050), (2200, 578831), (2222, 573100), (2420, 526210), (2525, 504328), (2605, 488840), (3025, 420968), (4040, 315205), (4168, 305525), (4444, 286550), (4840, 263105), (5050, 252164), (5210, 244420), (5555, 229240), (5731, 222200), (6050, 210484), (8888, 143275), (10100, 126082), (10420, 122210), (11110, 114620), (11462, 111100), (12100, 105242), (12221, 104200), (13025, 97768), (20200, 63041), (20840, 61105), (22220, 57310), (22924, 55550), (24200, 52621), (24442, 52100), (26050, 48884), (27775, 45848), (28655, 44440)]