427420400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{8831}}^1$

素因数の和:8871

約数の個数: 90

約数和(自身を含む): 1128844416

約数和(自身を除く): 701424016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 400, 440, 484, 550, 605, 880, 968, 1100, 1210, 1936, 2200, 2420, 3025, 4400, 4840, 6050, 8831, 9680, 12100, 17662, 24200, 35324, 44155, 48400, 70648, 88310, 97141, 141296, 176620, 194282, 220775, 353240, 388564, 441550, 485705, 706480, 777128, 883100, 971410, 1068551, 1554256, 1766200, 1942820, 2137102, 2428525, 3532400, 3885640, 4274204, 4857050, 5342755, 7771280, 8548408, 9714100, 10685510, 17096816, 19428200, 21371020, 26713775, 38856400, 42742040, 53427550, 85484080, 106855100, 213710200, 427420400]

約数ペア:

[(1, 427420400), (2, 213710200), (4, 106855100), (5, 85484080), (8, 53427550), (10, 42742040), (11, 38856400), (16, 26713775), (20, 21371020), (22, 19428200), (25, 17096816), (40, 10685510), (44, 9714100), (50, 8548408), (55, 7771280), (80, 5342755), (88, 4857050), (100, 4274204), (110, 3885640), (121, 3532400), (176, 2428525), (200, 2137102), (220, 1942820), (242, 1766200), (275, 1554256), (400, 1068551), (440, 971410), (484, 883100), (550, 777128), (605, 706480), (880, 485705), (968, 441550), (1100, 388564), (1210, 353240), (1936, 220775), (2200, 194282), (2420, 176620), (3025, 141296), (4400, 97141), (4840, 88310), (6050, 70648), (8831, 48400), (9680, 44155), (12100, 35324), (17662, 24200)]