400035978

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{229}}^1\times {\mathrm{907}}^1$

素因数の和:1251

約数の個数: 48

約数和(自身を含む): 879634080

約数和(自身を除く): 479598102

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 229, 321, 458, 642, 687, 907, 963, 1374, 1814, 1926, 2061, 2721, 4122, 5442, 8163, 16326, 24503, 49006, 73509, 97049, 147018, 194098, 207703, 220527, 291147, 415406, 441054, 582294, 623109, 873441, 1246218, 1746882, 1869327, 3738654, 22224221, 44448442, 66672663, 133345326, 200017989, 400035978]

約数ペア:

[(1, 400035978), (2, 200017989), (3, 133345326), (6, 66672663), (9, 44448442), (18, 22224221), (107, 3738654), (214, 1869327), (229, 1746882), (321, 1246218), (458, 873441), (642, 623109), (687, 582294), (907, 441054), (963, 415406), (1374, 291147), (1814, 220527), (1926, 207703), (2061, 194098), (2721, 147018), (4122, 97049), (5442, 73509), (8163, 49006), (16326, 24503)]