77445140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8861}}^1$

素因数の和:8912

約数の個数: 48

約数和(自身を含む): 178657920

約数和(自身を除く): 101212780

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 8861, 17722, 35444, 44305, 88610, 168359, 177220, 203803, 336718, 407606, 673436, 815212, 841795, 1019015, 1683590, 2038030, 3367180, 3872257, 4076060, 7744514, 15489028, 19361285, 38722570, 77445140]

約数ペア:

[(1, 77445140), (2, 38722570), (4, 19361285), (5, 15489028), (10, 7744514), (19, 4076060), (20, 3872257), (23, 3367180), (38, 2038030), (46, 1683590), (76, 1019015), (92, 841795), (95, 815212), (115, 673436), (190, 407606), (230, 336718), (380, 203803), (437, 177220), (460, 168359), (874, 88610), (1748, 44305), (2185, 35444), (4370, 17722), (8740, 8861)]