30813790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19139}}^1$

素因数の和:19176

約数の個数: 32

約数和(自身を含む): 66147840

約数和(自身を除く): 35334050

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 19139, 38278, 95695, 133973, 191390, 267946, 440197, 669865, 880394, 1339730, 2200985, 3081379, 4401970, 6162758, 15406895, 30813790]

約数ペア:

[(1, 30813790), (2, 15406895), (5, 6162758), (7, 4401970), (10, 3081379), (14, 2200985), (23, 1339730), (35, 880394), (46, 669865), (70, 440197), (115, 267946), (161, 191390), (230, 133973), (322, 95695), (805, 38278), (1610, 19139)]