28265600

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 144

約数和(自身を含む): 77801010

約数和(自身を除く): 49535410

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 73, 80, 88, 100, 110, 121, 128, 146, 160, 176, 200, 220, 242, 275, 292, 320, 352, 365, 400, 440, 484, 550, 584, 605, 640, 704, 730, 800, 803, 880, 968, 1100, 1168, 1210, 1408, 1460, 1600, 1606, 1760, 1825, 1936, 2200, 2336, 2420, 2920, 3025, 3200, 3212, 3520, 3650, 3872, 4015, 4400, 4672, 4840, 5840, 6050, 6424, 7040, 7300, 7744, 8030, 8800, 8833, 9344, 9680, 11680, 12100, 12848, 14600, 15488, 16060, 17600, 17666, 19360, 20075, 23360, 24200, 25696, 29200, 32120, 35200, 35332, 38720, 40150, 44165, 46720, 48400, 51392, 58400, 64240, 70664, 77440, 80300, 88330, 96800, 102784, 116800, 128480, 141328, 160600, 176660, 193600, 220825, 233600, 256960, 282656, 321200, 353320, 387200, 441650, 513920, 565312, 642400, 706640, 883300, 1130624, 1284800, 1413280, 1766600, 2569600, 2826560, 3533200, 5653120, 7066400, 14132800, 28265600]

約数ペア:

[(1, 28265600), (2, 14132800), (4, 7066400), (5, 5653120), (8, 3533200), (10, 2826560), (11, 2569600), (16, 1766600), (20, 1413280), (22, 1284800), (25, 1130624), (32, 883300), (40, 706640), (44, 642400), (50, 565312), (55, 513920), (64, 441650), (73, 387200), (80, 353320), (88, 321200), (100, 282656), (110, 256960), (121, 233600), (128, 220825), (146, 193600), (160, 176660), (176, 160600), (200, 141328), (220, 128480), (242, 116800), (275, 102784), (292, 96800), (320, 88330), (352, 80300), (365, 77440), (400, 70664), (440, 64240), (484, 58400), (550, 51392), (584, 48400), (605, 46720), (640, 44165), (704, 40150), (730, 38720), (800, 35332), (803, 35200), (880, 32120), (968, 29200), (1100, 25696), (1168, 24200), (1210, 23360), (1408, 20075), (1460, 19360), (1600, 17666), (1606, 17600), (1760, 16060), (1825, 15488), (1936, 14600), (2200, 12848), (2336, 12100), (2420, 11680), (2920, 9680), (3025, 9344), (3200, 8833), (3212, 8800), (3520, 8030), (3650, 7744), (3872, 7300), (4015, 7040), (4400, 6424), (4672, 6050), (4840, 5840)]