139780585

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 203558400

約数和(自身を除く): 63777815

約数列:

[1, 5, 7, 35, 47, 49, 61, 199, 235, 245, 305, 329, 427, 995, 1393, 1645, 2135, 2303, 2867, 2989, 6965, 9353, 9751, 11515, 12139, 14335, 14945, 20069, 46765, 48755, 60695, 65471, 84973, 100345, 140483, 327355, 424865, 458297, 570533, 594811, 702415, 2291485, 2852665, 2974055, 3993731, 19968655, 27956117, 139780585]

約数ペア:

[(1, 139780585), (5, 27956117), (7, 19968655), (35, 3993731), (47, 2974055), (49, 2852665), (61, 2291485), (199, 702415), (235, 594811), (245, 570533), (305, 458297), (329, 424865), (427, 327355), (995, 140483), (1393, 100345), (1645, 84973), (2135, 65471), (2303, 60695), (2867, 48755), (2989, 46765), (6965, 20069), (9353, 14945), (9751, 14335), (11515, 12139)]