219811000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:566

約数の個数: 128

約数和(自身を含む): 566092800

約数和(自身を除く): 346281800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 25, 38, 40, 46, 50, 76, 92, 95, 100, 115, 125, 152, 184, 190, 200, 230, 250, 380, 437, 460, 475, 500, 503, 575, 760, 874, 920, 950, 1000, 1006, 1150, 1748, 1900, 2012, 2185, 2300, 2375, 2515, 2875, 3496, 3800, 4024, 4370, 4600, 4750, 5030, 5750, 8740, 9500, 9557, 10060, 10925, 11500, 11569, 12575, 17480, 19000, 19114, 20120, 21850, 23000, 23138, 25150, 38228, 43700, 46276, 47785, 50300, 54625, 57845, 62875, 76456, 87400, 92552, 95570, 100600, 109250, 115690, 125750, 191140, 218500, 219811, 231380, 238925, 251500, 289225, 382280, 437000, 439622, 462760, 477850, 503000, 578450, 879244, 955700, 1099055, 1156900, 1194625, 1446125, 1758488, 1911400, 2198110, 2313800, 2389250, 2892250, 4396220, 4778500, 5495275, 5784500, 8792440, 9557000, 10990550, 11569000, 21981100, 27476375, 43962200, 54952750, 109905500, 219811000]

約数ペア:

[(1, 219811000), (2, 109905500), (4, 54952750), (5, 43962200), (8, 27476375), (10, 21981100), (19, 11569000), (20, 10990550), (23, 9557000), (25, 8792440), (38, 5784500), (40, 5495275), (46, 4778500), (50, 4396220), (76, 2892250), (92, 2389250), (95, 2313800), (100, 2198110), (115, 1911400), (125, 1758488), (152, 1446125), (184, 1194625), (190, 1156900), (200, 1099055), (230, 955700), (250, 879244), (380, 578450), (437, 503000), (460, 477850), (475, 462760), (500, 439622), (503, 437000), (575, 382280), (760, 289225), (874, 251500), (920, 238925), (950, 231380), (1000, 219811), (1006, 218500), (1150, 191140), (1748, 125750), (1900, 115690), (2012, 109250), (2185, 100600), (2300, 95570), (2375, 92552), (2515, 87400), (2875, 76456), (3496, 62875), (3800, 57845), (4024, 54625), (4370, 50300), (4600, 47785), (4750, 46276), (5030, 43700), (5750, 38228), (8740, 25150), (9500, 23138), (9557, 23000), (10060, 21850), (10925, 20120), (11500, 19114), (11569, 19000), (12575, 17480)]