1285163620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{290761}}^1$

素因数の和:290800

約数の個数: 48

約数和(自身を含む): 3077425008

約数和(自身を除く): 1792261388

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 290761, 581522, 1163044, 1453805, 2907610, 3779893, 4942937, 5815220, 7559786, 9885874, 15119572, 18899465, 19771748, 24714685, 37798930, 49429370, 64258181, 75597860, 98858740, 128516362, 257032724, 321290905, 642581810, 1285163620]

約数ペア:

[(1, 1285163620), (2, 642581810), (4, 321290905), (5, 257032724), (10, 128516362), (13, 98858740), (17, 75597860), (20, 64258181), (26, 49429370), (34, 37798930), (52, 24714685), (65, 19771748), (68, 18899465), (85, 15119572), (130, 9885874), (170, 7559786), (221, 5815220), (260, 4942937), (340, 3779893), (442, 2907610), (884, 1453805), (1105, 1163044), (2210, 581522), (4420, 290761)]