149788340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1481}}^1$

素因数の和:1892

約数の個数: 48

約数和(自身を含む): 339852240

約数和(自身を除く): 190063900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 778, 1481, 1556, 1945, 2962, 3890, 5057, 5924, 7405, 7780, 10114, 14810, 19253, 20228, 25285, 29620, 38506, 50570, 77012, 96265, 101140, 192530, 385060, 576109, 1152218, 2304436, 2880545, 5761090, 7489417, 11522180, 14978834, 29957668, 37447085, 74894170, 149788340]

約数ペア:

[(1, 149788340), (2, 74894170), (4, 37447085), (5, 29957668), (10, 14978834), (13, 11522180), (20, 7489417), (26, 5761090), (52, 2880545), (65, 2304436), (130, 1152218), (260, 576109), (389, 385060), (778, 192530), (1481, 101140), (1556, 96265), (1945, 77012), (2962, 50570), (3890, 38506), (5057, 29620), (5924, 25285), (7405, 20228), (7780, 19253), (10114, 14810)]