38289580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 94802400

約数和(自身を除く): 56512820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 439, 445, 490, 623, 878, 890, 980, 1246, 1756, 1780, 2195, 2492, 3073, 3115, 4361, 4390, 6146, 6230, 8722, 8780, 12292, 12460, 15365, 17444, 21511, 21805, 30730, 39071, 43022, 43610, 61460, 78142, 86044, 87220, 107555, 156284, 195355, 215110, 273497, 390710, 430220, 546994, 781420, 1093988, 1367485, 1914479, 2734970, 3828958, 5469940, 7657916, 9572395, 19144790, 38289580]

約数ペア:

[(1, 38289580), (2, 19144790), (4, 9572395), (5, 7657916), (7, 5469940), (10, 3828958), (14, 2734970), (20, 1914479), (28, 1367485), (35, 1093988), (49, 781420), (70, 546994), (89, 430220), (98, 390710), (140, 273497), (178, 215110), (196, 195355), (245, 156284), (356, 107555), (439, 87220), (445, 86044), (490, 78142), (623, 61460), (878, 43610), (890, 43022), (980, 39071), (1246, 30730), (1756, 21805), (1780, 21511), (2195, 17444), (2492, 15365), (3073, 12460), (3115, 12292), (4361, 8780), (4390, 8722), (6146, 6230)]