203463920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21019}}^1$

素因数の和:21054

約数の個数: 60

約数和(自身を含む): 519992760

約数和(自身を除く): 316528840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 21019, 42038, 84076, 105095, 168152, 210190, 231209, 336304, 420380, 462418, 840760, 924836, 1156045, 1681520, 1849672, 2312090, 2543299, 3699344, 4624180, 5086598, 9248360, 10173196, 12716495, 18496720, 20346392, 25432990, 40692784, 50865980, 101731960, 203463920]

約数ペア:

[(1, 203463920), (2, 101731960), (4, 50865980), (5, 40692784), (8, 25432990), (10, 20346392), (11, 18496720), (16, 12716495), (20, 10173196), (22, 9248360), (40, 5086598), (44, 4624180), (55, 3699344), (80, 2543299), (88, 2312090), (110, 1849672), (121, 1681520), (176, 1156045), (220, 924836), (242, 840760), (440, 462418), (484, 420380), (605, 336304), (880, 231209), (968, 210190), (1210, 168152), (1936, 105095), (2420, 84076), (4840, 42038), (9680, 21019)]