31029460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20149}}^1$

素因数の和:20176

約数の個数: 48

約数和(自身を含む): 81244800

約数和(自身を除く): 50215340

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, 20149, 40298, 80596, 100745, 141043, 201490, 221639, 282086, 402980, 443278, 564172, 705215, 886556, 1108195, 1410430, 1551473, 2216390, 2820860, 3102946, 4432780, 6205892, 7757365, 15514730, 31029460]

約数ペア:

[(1, 31029460), (2, 15514730), (4, 7757365), (5, 6205892), (7, 4432780), (10, 3102946), (11, 2820860), (14, 2216390), (20, 1551473), (22, 1410430), (28, 1108195), (35, 886556), (44, 705215), (55, 564172), (70, 443278), (77, 402980), (110, 282086), (140, 221639), (154, 201490), (220, 141043), (308, 100745), (385, 80596), (770, 40298), (1540, 20149)]