1699460

素因数分解:

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

素因数の和:276

約数の個数: 48

約数和(自身を含む): 4166400

約数和(自身を除く): 2466940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 199, 244, 305, 398, 427, 610, 796, 854, 995, 1220, 1393, 1708, 1990, 2135, 2786, 3980, 4270, 5572, 6965, 8540, 12139, 13930, 24278, 27860, 48556, 60695, 84973, 121390, 169946, 242780, 339892, 424865, 849730, 1699460]

約数ペア:

[(1, 1699460), (2, 849730), (4, 424865), (5, 339892), (7, 242780), (10, 169946), (14, 121390), (20, 84973), (28, 60695), (35, 48556), (61, 27860), (70, 24278), (122, 13930), (140, 12139), (199, 8540), (244, 6965), (305, 5572), (398, 4270), (427, 3980), (610, 2786), (796, 2135), (854, 1990), (995, 1708), (1220, 1393)]