354096820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{20903}}^1$

素因数の和:20941

約数の個数: 72

約数和(自身を含む): 934157952

約数和(自身を除く): 580061132

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 16940, 20903, 41806, 83612, 104515, 146321, 209030, 229933, 292642, 418060, 459866, 585284, 731605, 919732, 1149665, 1463210, 1609531, 2299330, 2529263, 2926420, 3219062, 4598660, 5058526, 6438124, 8047655, 10117052, 12646315, 16095310, 17704841, 25292630, 32190620, 35409682, 50585260, 70819364, 88524205, 177048410, 354096820]

約数ペア:

[(1, 354096820), (2, 177048410), (4, 88524205), (5, 70819364), (7, 50585260), (10, 35409682), (11, 32190620), (14, 25292630), (20, 17704841), (22, 16095310), (28, 12646315), (35, 10117052), (44, 8047655), (55, 6438124), (70, 5058526), (77, 4598660), (110, 3219062), (121, 2926420), (140, 2529263), (154, 2299330), (220, 1609531), (242, 1463210), (308, 1149665), (385, 919732), (484, 731605), (605, 585284), (770, 459866), (847, 418060), (1210, 292642), (1540, 229933), (1694, 209030), (2420, 146321), (3388, 104515), (4235, 83612), (8470, 41806), (16940, 20903)]