221448860

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{11173}}^1$

素因数の和:12173

約数の個数: 24

約数和(自身を含む): 465553536

約数和(自身を除く): 244104676

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 11173, 19820, 22346, 44692, 55865, 111730, 223460, 11072443, 22144886, 44289772, 55362215, 110724430, 221448860]

約数ペア:

[(1, 221448860), (2, 110724430), (4, 55362215), (5, 44289772), (10, 22144886), (20, 11072443), (991, 223460), (1982, 111730), (3964, 55865), (4955, 44692), (9910, 22346), (11173, 19820)]