86607220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8713}}^1$

素因数の和:8800

約数の個数: 48

約数和(自身を含む): 210809088

約数和(自身を除く): 124201868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 8713, 9940, 17426, 34852, 43565, 60991, 87130, 121982, 174260, 243964, 304955, 609910, 618623, 1219820, 1237246, 2474492, 3093115, 4330361, 6186230, 8660722, 12372460, 17321444, 21651805, 43303610, 86607220]

約数ペア:

[(1, 86607220), (2, 43303610), (4, 21651805), (5, 17321444), (7, 12372460), (10, 8660722), (14, 6186230), (20, 4330361), (28, 3093115), (35, 2474492), (70, 1237246), (71, 1219820), (140, 618623), (142, 609910), (284, 304955), (355, 243964), (497, 174260), (710, 121982), (994, 87130), (1420, 60991), (1988, 43565), (2485, 34852), (4970, 17426), (8713, 9940)]