338596940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{17293}}^1$

素因数の和:17402

約数の個数: 48

約数和(自身を含む): 784455840

約数和(自身を除く): 445858900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 17293, 19580, 34586, 69172, 86465, 172930, 190223, 345860, 380446, 760892, 951115, 1539077, 1902230, 3078154, 3804460, 6156308, 7695385, 15390770, 16929847, 30781540, 33859694, 67719388, 84649235, 169298470, 338596940]

約数ペア:

[(1, 338596940), (2, 169298470), (4, 84649235), (5, 67719388), (10, 33859694), (11, 30781540), (20, 16929847), (22, 15390770), (44, 7695385), (55, 6156308), (89, 3804460), (110, 3078154), (178, 1902230), (220, 1539077), (356, 951115), (445, 760892), (890, 380446), (979, 345860), (1780, 190223), (1958, 172930), (3916, 86465), (4895, 69172), (9790, 34586), (17293, 19580)]