196876240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{547}}^1$

素因数の和:980

約数の個数: 80

約数和(自身を含む): 501485760

約数和(自身を除く): 304609520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 409, 440, 547, 818, 880, 1094, 1636, 2045, 2188, 2735, 3272, 4090, 4376, 4499, 5470, 6017, 6544, 8180, 8752, 8998, 10940, 12034, 16360, 17996, 21880, 22495, 24068, 30085, 32720, 35992, 43760, 44990, 48136, 60170, 71984, 89980, 96272, 120340, 179960, 223723, 240680, 359920, 447446, 481360, 894892, 1118615, 1789784, 2237230, 2460953, 3579568, 4474460, 4921906, 8948920, 9843812, 12304765, 17897840, 19687624, 24609530, 39375248, 49219060, 98438120, 196876240]

約数ペア:

[(1, 196876240), (2, 98438120), (4, 49219060), (5, 39375248), (8, 24609530), (10, 19687624), (11, 17897840), (16, 12304765), (20, 9843812), (22, 8948920), (40, 4921906), (44, 4474460), (55, 3579568), (80, 2460953), (88, 2237230), (110, 1789784), (176, 1118615), (220, 894892), (409, 481360), (440, 447446), (547, 359920), (818, 240680), (880, 223723), (1094, 179960), (1636, 120340), (2045, 96272), (2188, 89980), (2735, 71984), (3272, 60170), (4090, 48136), (4376, 44990), (4499, 43760), (5470, 35992), (6017, 32720), (6544, 30085), (8180, 24068), (8752, 22495), (8998, 21880), (10940, 17996), (12034, 16360)]