205423600

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{8419}}^1$

素因数の和:8498

約数の個数: 60

約数和(自身を含む): 501680440

約数和(自身を除く): 296256840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1220, 1525, 2440, 3050, 4880, 6100, 8419, 12200, 16838, 24400, 33676, 42095, 67352, 84190, 134704, 168380, 210475, 336760, 420950, 513559, 673520, 841900, 1027118, 1683800, 2054236, 2567795, 3367600, 4108472, 5135590, 8216944, 10271180, 12838975, 20542360, 25677950, 41084720, 51355900, 102711800, 205423600]

約数ペア:

[(1, 205423600), (2, 102711800), (4, 51355900), (5, 41084720), (8, 25677950), (10, 20542360), (16, 12838975), (20, 10271180), (25, 8216944), (40, 5135590), (50, 4108472), (61, 3367600), (80, 2567795), (100, 2054236), (122, 1683800), (200, 1027118), (244, 841900), (305, 673520), (400, 513559), (488, 420950), (610, 336760), (976, 210475), (1220, 168380), (1525, 134704), (2440, 84190), (3050, 67352), (4880, 42095), (6100, 33676), (8419, 24400), (12200, 16838)]