219871390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{3079}}^1$

素因数の和:3316

約数の個数: 32

約数和(自身を含む): 408703680

約数和(自身を除く): 188832290

約数列:

[1, 2, 5, 10, 37, 74, 185, 193, 370, 386, 965, 1930, 3079, 6158, 7141, 14282, 15395, 30790, 35705, 71410, 113923, 227846, 569615, 594247, 1139230, 1188494, 2971235, 5942470, 21987139, 43974278, 109935695, 219871390]

約数ペア:

[(1, 219871390), (2, 109935695), (5, 43974278), (10, 21987139), (37, 5942470), (74, 2971235), (185, 1188494), (193, 1139230), (370, 594247), (386, 569615), (965, 227846), (1930, 113923), (3079, 71410), (6158, 35705), (7141, 30790), (14282, 15395)]