231154420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{8297}}^1$

素因数の和:8512

約数の個数: 48

約数和(自身を含む): 557625600

約数和(自身を除く): 326471180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 5572, 6965, 8297, 13930, 16594, 27860, 33188, 41485, 58079, 82970, 116158, 165940, 232316, 290395, 580790, 1161580, 1651103, 3302206, 6604412, 8255515, 11557721, 16511030, 23115442, 33022060, 46230884, 57788605, 115577210, 231154420]

約数ペア:

[(1, 231154420), (2, 115577210), (4, 57788605), (5, 46230884), (7, 33022060), (10, 23115442), (14, 16511030), (20, 11557721), (28, 8255515), (35, 6604412), (70, 3302206), (140, 1651103), (199, 1161580), (398, 580790), (796, 290395), (995, 232316), (1393, 165940), (1990, 116158), (2786, 82970), (3980, 58079), (5572, 41485), (6965, 33188), (8297, 27860), (13930, 16594)]