213242480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{547}}^1$

素因数の和:1014

約数の個数: 80

約数和(自身を含む): 543072384

約数和(自身を除く): 329829904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 443, 547, 880, 886, 1094, 1772, 2188, 2215, 2735, 3544, 4376, 4430, 4873, 5470, 6017, 7088, 8752, 8860, 9746, 10940, 12034, 17720, 19492, 21880, 24068, 24365, 30085, 35440, 38984, 43760, 48136, 48730, 60170, 77968, 96272, 97460, 120340, 194920, 240680, 242321, 389840, 481360, 484642, 969284, 1211605, 1938568, 2423210, 2665531, 3877136, 4846420, 5331062, 9692840, 10662124, 13327655, 19385680, 21324248, 26655310, 42648496, 53310620, 106621240, 213242480]

約数ペア:

[(1, 213242480), (2, 106621240), (4, 53310620), (5, 42648496), (8, 26655310), (10, 21324248), (11, 19385680), (16, 13327655), (20, 10662124), (22, 9692840), (40, 5331062), (44, 4846420), (55, 3877136), (80, 2665531), (88, 2423210), (110, 1938568), (176, 1211605), (220, 969284), (440, 484642), (443, 481360), (547, 389840), (880, 242321), (886, 240680), (1094, 194920), (1772, 120340), (2188, 97460), (2215, 96272), (2735, 77968), (3544, 60170), (4376, 48730), (4430, 48136), (4873, 43760), (5470, 38984), (6017, 35440), (7088, 30085), (8752, 24365), (8860, 24068), (9746, 21880), (10940, 19492), (12034, 17720)]