136428940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{111827}}^1$

素因数の和:111897

約数の個数: 24

約数和(自身を含む): 291200112

約数和(自身を除く): 154771172

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 111827, 223654, 447308, 559135, 1118270, 2236540, 6821447, 13642894, 27285788, 34107235, 68214470, 136428940]

約数ペア:

[(1, 136428940), (2, 68214470), (4, 34107235), (5, 27285788), (10, 13642894), (20, 6821447), (61, 2236540), (122, 1118270), (244, 559135), (305, 447308), (610, 223654), (1220, 111827)]