222447320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179393}}^1$

素因数の和:179435

約数の個数: 32

約数和(自身を含む): 516654720

約数和(自身を除く): 294207400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 179393, 358786, 717572, 896965, 1435144, 1793930, 3587860, 5561183, 7175720, 11122366, 22244732, 27805915, 44489464, 55611830, 111223660, 222447320]

約数ペア:

[(1, 222447320), (2, 111223660), (4, 55611830), (5, 44489464), (8, 27805915), (10, 22244732), (20, 11122366), (31, 7175720), (40, 5561183), (62, 3587860), (124, 1793930), (155, 1435144), (248, 896965), (310, 717572), (620, 358786), (1240, 179393)]