221055940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{9127}}^1$

素因数の和:9316

約数の個数: 48

約数和(自身を含む): 533659392

約数和(自身を除く): 312603452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3460, 4844, 6055, 9127, 12110, 18254, 24220, 36508, 45635, 63889, 91270, 127778, 182540, 255556, 319445, 638890, 1277780, 1578971, 3157942, 6315884, 7894855, 11052797, 15789710, 22105594, 31579420, 44211188, 55263985, 110527970, 221055940]

約数ペア:

[(1, 221055940), (2, 110527970), (4, 55263985), (5, 44211188), (7, 31579420), (10, 22105594), (14, 15789710), (20, 11052797), (28, 7894855), (35, 6315884), (70, 3157942), (140, 1578971), (173, 1277780), (346, 638890), (692, 319445), (865, 255556), (1211, 182540), (1730, 127778), (2422, 91270), (3460, 63889), (4844, 45635), (6055, 36508), (9127, 24220), (12110, 18254)]