31183460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20249}}^1$

素因数の和:20276

約数の個数: 48

約数和(自身を含む): 81648000

約数和(自身を除く): 50464540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 20249, 40498, 80996, 101245, 141743, 202490, 222739, 283486, 404980, 445478, 566972, 708715, 890956, 1113695, 1417430, 1559173, 2227390, 2834860, 3118346, 4454780, 6236692, 7795865, 15591730, 31183460]

約数ペア:

[(1, 31183460), (2, 15591730), (4, 7795865), (5, 6236692), (7, 4454780), (10, 3118346), (11, 2834860), (14, 2227390), (20, 1559173), (22, 1417430), (28, 1113695), (35, 890956), (44, 708715), (55, 566972), (70, 445478), (77, 404980), (110, 283486), (140, 222739), (154, 202490), (220, 141743), (308, 101245), (385, 80996), (770, 40498), (1540, 20249)]